17 premieres · 15 free to stream

Winter 2021 Anime

17 anime premiering January – March 2021. Sorted by broadcast date with streaming guides, trailers, and scores — everything you need to plan your season.

Premieres by month

Every series sorted by broadcast date.

January 2021

15 premieres
Re:ZERO -Starting Life in Another World- Season 2 Part 2
12 epsDramaFantasySuspense

As Subaru Natsuki's resolve to save everyone in this timeline intensifies, he sets out to mend the emotional scars of Emilia, a woman whose trust has been shattered by the lies of those around her. The task proves daunting, as Emilia's deep-seated doubts make it challenging for her to open up to even Subaru, her self-appointed savior. Meanwhile, Subaru's unwavering determination to protect the people of the Sanctuary reaches a boiling point, as he refuses to abandon hope in the face of adversity.

Beastars 2nd Season
12 epsDramaSuspense

In a world where animals have evolved to walk on two legs, the coveted title of "Beastar" is reserved for the most exceptional among them. For five years, Cherryton Academy has been without a leader, allowing tensions between carnivores and herbivores to simmer just below the surface. The sudden murder of an alpaca on school grounds sends shockwaves through the community, and the student council announces a bold plan: any student who can uncover the truth behind the crime will be hailed as the new Beastar. Among the student body, a complex web of emotions and motivations unfolds. Legoshi, a powerful wolf, feels an overwhelming sense of responsibility to protect the weak, and he becomes obsessed with solving the murder. His investigation is further complicated by his growing feelings for Haru, a beautiful white rabbit who unwittingly finds herself at the center of the mystery. As Legoshi delves deeper into the case, he must navigate the treacherous landscape of alliances and rivalries within the academy, all while confronting his own dark past. The fate of Cherryton Academy hangs in the balance, as the search for the truth behind the alpaca's murder threatens to tear the student body apart. Will Legoshi's determination and Haru's innocence be enough to bring peace back to the academy, or will the forces of hatred and fear consume them all?

The Quintessential Quintuplets 2
12 epsComedyRomance

As Fuutarou Uesugi continues to guide the Nakano quintuplets towards academic success, he finds himself increasingly entangled in their personal lives. Despite their progress, the quintuplets' antics and misadventures persist, threatening to derail their path to graduation. Meanwhile, Fuutarou begins to uncover hints of a mysterious connection to his past, which may be linked to one of the five girls. As the quintuplets' relationships with each other deepen, they must navigate the blurred lines between their teacher-student bond and the blossoming emotions that threaten to upend their dynamics. With feelings running high and overlapping, the quintuplets face a crucial question: can they maintain their relationships in their current state, or will they evolve into something more profound?

So I'm a Spider, So What?
24 epsActionAdventureComedy

In a shocking turn of events, a high school is ravaged by a catastrophic event, wiping out its entire student body. Amidst the devastation, a select few are reborn into a new world as esteemed nobles, princes, and other influential figures. But one student's rebirth takes a drastic turn, as they find themselves reincarnated as a lowly spider. Despite the overwhelming odds, this unlikely heroine must adapt to her arachnid form and navigate the treacherous landscape of her new world. As she struggles to survive, she discovers that this world operates under a system similar to an RPG, complete with leveling up, evolving, and battling monsters. With each victory, she inches closer to a better life, driven by a burning desire to overcome her humble beginnings. As she grows stronger, she must confront the harsh realities of her new existence, all while holding onto the hope that her efforts will eventually pay off.

Bottom-Tier Character Tomozaki
12 epsDramaRomance

In a world where online gaming reigns supreme, Fumiya Tomozaki is the undisputed champion of Attack Families, earning him the nickname "Tackfam's" top dog. However, his impressive gaming skills are starkly contrasted with his dismal social life, leaving him friendless and feeling like a total outcast. Fumiya's frustration with the perceived injustices of everyday life leads him to declare himself a bottom-tier character, resigning himself to his perceived fate. Everything changes when Fumiya crosses paths with Aoi Hinami, a stunningly talented and charismatic classmate who just so happens to be a Tackfam prodigy in her own right. As Fumiya struggles to comprehend how someone so exceptional could be hiding in plain sight, Aoi takes it upon herself to mentor him in the art of living. With her guidance, Fumiya embarks on a journey to conquer the "real game" of life, navigating the treacherous terrain of social interactions and relationships.

The Promised Neverland Season 2
11 epsMysterySuspense

As the remnants of the orphanage escape the confines of Grace Field House, Emma, Ray, and their companions embark on a perilous journey to secure their freedom. The relentless demons in hot pursuit force them to rely on cryptic clues hidden within the pages of William Minerva's books, which hold the key to navigating the treacherous unknown. But as the stakes rise, the group faces their most daunting challenge yet, testing their resolve and resilience. With the demons closing in, the children must adapt to a ruthless world, where survival is a daily struggle. As they confront the harsh realities of their new surroundings, they cling to the hope of finding a sanctuary where they can truly belong. But with danger lurking around every corner, will they be able to overcome the odds and create a new life for themselves?

The Hidden Dungeon Only I Can Enter
12 epsActionAdventureFantasy

In a world where nobility reigns supreme, Noir Stalgia is an outcast, shunned by his peers and forced to scrape by on the fringes of society. Yet, he holds a secret: the ability to converse with the enigmatic Great Sage, an oracle who yields the answers to any question. Seeking a fresh start, Noir attempts to secure a position as a librarian, only to be rejected. Undeterred, he decides to enroll in the prestigious Hero Academy, determined to prove himself. Guided by the Great Sage, Noir sets out to explore a mysterious dungeon hidden deep within the mountains. Within its labyrinthine depths, he encounters Olivia Servant, a stunning and imprisoned maiden who bestows upon him an extraordinary set of abilities. With these powers, Noir can manipulate reality to his whim, but at a steep cost: each use drains his life force, putting his very existence at risk. To replenish his energy, he must surrender to his baser desires, including a forbidden kiss with his childhood friend. As Noir navigates the Hero Academy, he forms new alliances and faces dire challenges alongside his classmates. With his newfound powers, he must walk a precarious tightrope, balancing his quest for self-improvement with the perils of his extraordinary abilities and the consequences of indulging his desires.

Horimiya

Horimiya

Jan 10

8.2
13 epsRomance

In a seemingly mismatched pairing, Kyouko Hori, the picture-perfect student, and Izumi Miyamura, the quiet and enigmatic classmate, find common ground in their hidden selves. Despite Hori's busy schedule juggling schoolwork and household chores, and Miyamura's tough exterior hiding a complex personality, they form an unlikely bond. As they spend more time together, they gradually reveal their authentic selves to each other, exposing the layers beneath their respective facades.

SK8 the Infinity
12 epsSports

In the world of high-stakes skateboarding, 17-year-old Reki Kyan is a force to be reckoned with. By night, he takes to the treacherous terrain of an abandoned mine, competing in the illicit "S" circuit with a cast of daredevil skaters. But a crushing defeat leaves Reki's arm broken and his beloved board in pieces, forcing him to hang up his wheels. Enter Langa Hasegawa, a newcomer with a troubled past and a desperate need for cash. When Reki's boss tasks them with checking out the "S" scene, the two find themselves in a high-pressure showdown that pits Langa against his own inexperience. But as Reki soon discovers, Langa harbors a secret that could turn the tables in his favor – and change the course of their lives forever.

Mushoku Tensei: Jobless Reincarnation
11 epsAdventureDramaFantasy

In a life marked by torment and neglect, a 34-year-old recluse finds an opportunity to make a heroic stand, only to have it cut short in a devastating accident. But fate intervenes, and he is reborn in a new world as Rudeus Greyrat, a baby blessed with loving parents. With his memories and knowledge intact, Rudeus navigates his new reality with remarkable ease, his adult mind allowing him to grasp magical concepts at an extraordinary pace. Under the guidance of the enigmatic Roxy Migurdia, he hones his magical abilities, while his father, Paul, teaches him the art of swordsmanship. Rudeus also forges a deep bond with Sylphiette, a kindred spirit who shares his age and his struggles. As Rudeus embarks on a second chance at life, he strives to overcome the scars of his past and make the most of his new beginning. Along the way, he may yet discover the one thing that eluded him in his previous life – the warmth of true love.

That Time I Got Reincarnated as a Slime Season 2
12 epsActionComedyFantasy

As Rimuru Tempest takes a well-deserved break from his teaching duties, he returns to his kingdom of Tempest, eager to settle back into his routine. However, his plans are quickly derailed as he's thrust into high-stakes diplomacy with the neighboring Kingdom of Eurazania. Despite the tumultuous negotiations, Rimuru emerges victorious, allowing him to resume his teaching post. But his joy is short-lived, as a mysterious force intervenes, restricting his formidable magical abilities and preventing him from returning to Tempest. Meanwhile, back in Tempest, a group of ruthless humans has launched a surprise attack on the kingdom, targeting both influential figures and innocent civilians. With their intentions clear: to eliminate all in their path. Rimuru must confront his powerful and sinister foe, using all his wits and abilities to overcome the odds and return to Tempest before it's too late.

Wonder Egg Priority
12 epsDramaSupernaturalSuspense

After the devastating loss of her only confidant, Koito Nagase, Ai Ooto finds herself adrift in a world without purpose. Desperate to hold onto the memories of their friendship, she's drawn to a mysterious entity's enigmatic offer: a Wonder Egg with the power to save others. As she breaks the egg in a surreal realm during her sleep, Ai is tasked with confronting the darkest fears and desires of those around her. As she delves deeper into this strange world, Ai begins to unravel the intricate web of relationships between the inner demons of others and her own. The further she goes, the more she's forced to confront the traumas, regrets, and deep-seated fears that have haunted her own life. With each rescue, Ai inches closer to finding a way to save her beloved friend, but the line between reality and the dreamlike world of Wonder Egg Priority blurs, threatening to consume her. As Ai navigates this treacherous landscape, she discovers that the inner struggles of those around her are eerily reminiscent of her own. With each victory, she's compelled to confront the darkest corners of her own psyche, ultimately unraveling the tangled threads of her own trauma and finding a glimmer of hope in the darkness.

The Seven Deadly Sins: Dragon's Judgement
24 epsActionAdventureFantasy

As a new menace threatens the Kingdom of Liones, the legendary Seven Deadly Sins are forced to disperse across Britannia to confront an enemy that seems to be everywhere. Each member faces off against formidable foes, while also embarking on a perilous quest to rescue a cherished companion and bring hope back to their beloved Elizabeth. But amidst the chaos, ancient secrets begin to unravel, pitting former allies against each other in a clash of epic proportions. The truth behind the Holy War's catastrophic conclusion 3000 years ago is finally revealed, casting a shadow over the land and testing the bonds of friendship and loyalty. As the Sins and their companions navigate this treacherous landscape, a profound power is unleashed, threatening to upend the balance of power in Britannia forever. With the fate of the kingdom hanging in the balance, the Seven Deadly Sins must come together once more to face their greatest challenge yet. Will their unity be enough to overcome the darkness that looms, or will the very fabric of their world be torn asunder?

Dr. Stone: Stone Wars
11 epsAdventureComedy

In a world where humanity has been frozen in time, Senkuu is on a mission to revive the past and restore civilization. However, his plans are threatened by Tsukasa, a ruthless leader who believes only the strongest should be revived. As spring approaches, Senkuu and his allies in Ishigami Village gear up for an epic battle against the Tsukasa Empire, determined to win over the hearts and minds of the petrified masses. With a revamped cell phone model in their arsenal, the Kingdom of Science is ready to launch a campaign to recruit Tsukasa's army to their cause. But time is of the essence - every day spent perfecting their inventions gives the empire a chance to grow stronger. Senkuu must rally his friends and forge new alliances to stop Tsukasa's forces and bring about a brighter future. As the Stone Wars escalate, Senkuu and his team must navigate treacherous landscapes and confront their own demons to fulfill their vision of a restored humanity. With two sides locked in a struggle for the future, the fate of the world hangs in the balance.

Astral Sutra
7.0
40 epsActionFantasy

In a world where the fabled Tower of God beckons, twelve paths converge to lead seekers of immortality on an endless journey. However, the paths are fraught with peril, and only a select few have managed to claim the coveted title of Highest God. In a bygone era, three ancient martial arts - Flame, Dragon, and Star - once thrived, but as the world underwent a cataclysmic shift, only remnants of these disciplines remained. Generations of experts have dedicated their lives to mastering these arts, driven by an insatiable quest for eternal life. One such practitioner of the Star Martial Arts embarks on a lifetime journey, accompanied by a bevy of beautiful companions. With his sights set on achieving the pinnacle of power, he aspires to become the ultimate authority, Highest God. As he navigates the treacherous landscape of the Tower of God, he must confront the darkness within himself and the rivalries that threaten to tear apart the fragile balance of power. Will he succeed in his quest, or will the allure of immortality prove to be his greatest downfall?

February 2021

1 premiere
Thousand Autumns
16 epsActionFantasy

In a world where cultivation and power reign supreme, Shen Qiao, the chief disciple of Mount Xuandu, finds himself on the brink of death after a crushing defeat at the hands of Beimu clan leader. But fate has other plans, as the cunning Yan Wushi, leader of the Cleansing Moon sect, discovers Shen Qiao's broken body and concocts a diabolical plan to reshape the young cultivator in his own image. As Shen Qiao struggles to come to terms with his new reality, he is forced to confront the harsh truth that even the most well-intentioned individuals can be consumed by the darkness that surrounds him. Will he choose to hold on to his former principles, or succumb to the corrupting influence of Yan Wushi's sinister schemes?

March 2021

1 premiere
My Hero Academia Season 5
25 epsAction

As the spotlight shines on UA Academy's Class 1-A, their arch-rivals in Class 1-B seethe with resentment over the attention they've received in the wake of repeated villain attacks. Eager to prove their mettle, they welcome the prospect of a high-stakes competition: a series of mock battles between the two classes. The rules are simple - capture the opposing team members to emerge victorious - but a wild card enters the fray when General Course student Hitoshi Shinsou, determined to transfer to the Hero Course, joins the fray. Despite his rigorous training under Shouta "Eraserhead" Aizawa, Shinsou's lack of experience puts him at a disadvantage, but he's resolute in his pursuit of heroism. As the competition heats up, Class 1-A and 1-B clash in a fiery spectacle of Quirk-fueled battles. The stakes are high, and the tension is palpable as each side strives to prove their superiority. With their skills pushed to the limit, the students must dig deep to uncover their true potential and emerge victorious. Will Class 1-A's experience and teamwork be enough to outmaneuver their rivals, or will Class 1-B's determination and cunning prove to be the deciding factor?

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About Winter 2021 Anime

Winter 2021 Anime covers every series premiering between January – March 2021. AnimeVault tracks 17 confirmed premieres for this cours, with 15 available on ad-supported free tiers. New schedules are confirmed 2–4 weeks before each season starts; we refresh this page weekly.

Sort options live in your hand: jump to the highest-rated premieres above, scan by month below, or pop into any series for the full streaming guide. Region-locked? Our anime VPN guide covers every option for unblocking Crunchyroll, ABEMA, Netflix Japan, and more.

Frequently Asked Questions

17 anime premiered during January – March 2021, including both Japanese anime and donghua (Chinese animation). AnimeVault tracks every premiere with streaming guides, scores, and trailers.

Winter 2021 runs from January – March 2021. Most series debut within the first two weeks of winter (early January), with 11–13 episode cours wrapping by the end of the season.

Many Winter 2021 titles stream free with ads on Crunchyroll's ad-supported tier, YouTube official anime channels, Tubi, and Bilibili. Each anime page on AnimeVault lists every legal streaming option by region.

Anime industry seasons mirror Japan's broadcast schedule: Winter (Jan–Mar), Spring (Apr–Jun), Summer (Jul–Sep), Fall (Oct–Dec). New cours debut in the first 1–2 weeks of each quarter, which is why "Spring 2026 anime" means series premiering April through June 2026.

Visit the AnimeVault release calendar to see every series currently airing across all platforms. Bookmark this page — the schedule updates as new premieres are confirmed, and you can browse neighbouring seasons (2020-fall) and (2021-spring).

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