Winter is here, and that means a fresh batch of anime to check out! Whether you’re in the mood for intense battles, sweet romance, or mind-blowing mysteries, this season has a little bit of everything. With big sequels, exciting new adaptations, and a few hidden gems, there’s plenty to get hyped about. If you’re wondering what to watch, here are 15 must-see winter 2025 anime that you won’t want to miss!
1. Solo Leveling Season 2
- Aired: January 4, 2025 to ?
- Episodes: 13
- Genres: Action, Fantasy, Adventure
- Studio: A-1 Pictures
Sung Jinwoo is back, and this time, he’s stronger than ever! After going from the weakest hunter to an unstoppable force, he’s ready to take on even crazier battles.
There’s still a lot of mystery surrounding the System and Sun Jinwoo’s powers, and this season dives deeper into that. It explores the truth behind the dungeons and the enemies lurking in the shadows. In fact, the story just keeps getting better, with more interesting characters being introduced along the way.
For those who haven’t seen it, catching up is easy since Solo Leveling Season 1 has only 12 episodes. You won’t want to miss a show where a beloved underdog becomes hot and OP!
2. Sakamoto Days
- Aired: January 11, 2025 to ?
- Episodes: 11
- Genres: Action, Comedy
- Studio: TMS Entertainment
Sakamoto Days is a fun anime about Taro Sakamoto, once a top hitman, now a chubby shop owner. He left his assassin life after falling in love and now runs a small store with his family. But his peaceful days don’t last. Old enemies find him, and Sakamoto must protect his loved ones without breaking his promise to never kill again.
The show mixes action and comedy, showing Sakamoto’s clever ways to handle trouble while keeping his family safe. It’s a fresh take on the action genre, blending everyday life with exciting battles.
3. The Apothecary Diaries Season 2
- Aired: January 10, 2025 to ?
- Episodes: 24
- Genres: Drama, Mystery, Romance
- Studio: Toho Animation Studio, OLM
In the second season of The Apothecary Diaries, Maomao returns with her sharp mind and curiosity, exploring palace intrigues and medical mysteries even deeper. As she continues her role, she faces new challenges that test her skills and uncover hidden secrets within the imperial court.
The Apothecary Diaries mixes historical drama with mystery and offers an intricate plot with well-developed characters. The heroine, Maomao, is not only beautiful but also clever and relatable—making it impossible not to root for her. All in all, the anime is a must-watch for anyone who enjoys a good story.
4. Dr. Stone: Science Future
- Aired: January 9, 2025 to ?
- Episodes: 12 (First Cour)
- Genres: Adventure, Comedy, Sci-Fi
- Studio: TMS Entertainment
In Dr. Stone: Science Future, Senku and the Kingdom of Science embark on their most ambitious journey yet: building a spaceship to uncover the mystery behind humanity’s certification.
This final season is all about their challenges of reviving Tsukasa, gathering resources, and confronting the enigmatic “Why Man” on the Moon. The blend of scientific innovation, adventure, and the drive to restore civilization makes this season a thrilling conclusion to the series.
5. The 100 Girlfriends Who Really, Really, Really, Really, Really Love You Season 2
- Aired: January 12, 2025 to ?
- Episodes: 12
- Genres: Comedy, Romance, Harem, Parody
- Studio: Bibury Animation Studios
In the second season of The 100 Girlfriends Who Really, Really, Really, Really, Really Love You, Rentarou Aijou’s romantic journey becomes even more chaotic and hilarious. After being rejected by 100 girls, a divine intervention reveals he’s destined to have 100 soulmates. Determined to make them all happy, Rentarou’s life turns into a whirlwind of comedic situations and heartfelt moments.
Season 2 introduces new characters, each adding their unique quirks to the ever-growing harem. The blend of over-the-top humor, parodies, and genuine affection makes this series a delightful watch for fans of romantic comedies.
6. My Happy Marriage Season 2
- Aired: January 6, 2025 to ?
- Episodes: 13
- Genres: Romance, Drama, Fantasy
- Studio: Kinema Citrus
My Happy Marriage Season 2 closely follows Miyo Saimori and Kiyoka Kudo’s relationship as it deepens while they face new challenges together. Miyo begins to explore her unique Dream-Sight ability, uncovering hidden family secrets and dealing with her newly acquired powers.
This season introduces new characters, including Kiyoka’s parents, adding layers to the story and testing the couple’s bond. Although the anime feels like a take on Cinderella, that isn’t necessarily a bad thing. It delivers exactly what it promises and has since cemented itself as perfect for any fan of heartfelt stories with sweet romance.
7. I’m Getting Married to a Girl I Hate in My Class
- Aired: January 3, 2025 to ?
- Episodes: 12
- Genres: Comedy, Romance
- Studio: Studio Gokumi, AXsiZ
There isn’t a season without your typical school romcom featuring a tsundere female protagonist, and this winter 2025 lineup is no different. I’m Getting Married to a Girl I Hate in My Class is a romantic comedy that follows Saito Houjou, a high school student set to inherit his grandfather’s major corporation. To secure his inheritance, he must marry Akane Sakuramori, the girl he despises the most.
Determined to keep their unexpected marriage a secret from their classmates, the two begin their newlywed life. As they spend more time together, their relationship starts to evolve.
8. Zenshuu.
- Aired: January 5, 2025 to ?
- Episodes: 12
- Genres: Action, Fantasy
- Studio: MAPPA
ZENSHU. is an original anime series that offers a unique twist on the isekai genre. The story follows Natsuko Hirose, a talented animator who, after a sudden death, finds herself transported into the world of her favorite childhood anime, A Tale of Perishing. In this new realm, she discovers she can bring her drawings to life, allowing her to alter the storyline and infuse hope into the anime world that inspired her passion for animation.
If you’re bored with the typical action-filled isekai, you might like ZENSHU. After all, it’s a unique blend of isekai elements and a love for animation, making it a great pick for those who enjoy heartwarming tales about following their passions and overcoming challenges.
9. I May Be a Guild Receptionist, but I’ll Solo Any Boss to Clock Out on Time
- Aired: January 11, 2025 to ?
- Episodes: 12
- Genres: Action, Adventure, Comedy, Fantasy
- Studio: CloverWorks
I May Be a Guild Receptionist, but I’ll Solo Any Boss to Clock Out on Time is a lighthearted fantasy comedy that follows Alina Clover, a guild receptionist who secretly tackles dungeon bosses to avoid overtime. However, her covert activities lead to unexpected complications when a top adventurer uncovers her secret.
For those tired of the usual hero saving the world and wanting something different, I May Be a Guild Receptionist, but I’ll Solo Any Boss to Clock Out on Time is a refreshing twist. Fans of lighthearted fantasy comedies will definitely enjoy the quirky charm and relatable workplace struggles in this series.
10. Honey Lemon Soda
- Aired: January 9, 2025 to ?
- Episodes: 12
- Genres: Romance, School, Shoujo
- Studio: J.C. Staff
A heartwarming romance anime, Honey Lemon Soda follows Uka Ishimori, a shy high school student nicknamed “Stone” due to her social anxiety. Her life takes a turn when she meets Kai Miura, a charismatic classmate with lemon-colored hair. Their unexpected encounter sparks a journey of self-discovery and budding romance, as Uka learns to overcome her fears and embrace new experiences.
There’s never enough wholesome and sweet romance, and this anime nails the chemistry between the protagonists to perfection. Moreover, it’s relatable for anyone who has ever felt shy or anxious, making it heartwarming to watch Uka come out of her shell.
11. I Have a Crush at Work
- Aired: January 6, 2025 to ?
- Episodes: 12
- Genres: Romantic Comedy, Slice of Life
- Studio: Blade
I Have a Crush at Work is a romantic comedy that follows Masugu Tateishi and Yui Mitsuya, two coworkers at Tsuda Confectionery who secretly harbor feelings for each other. Despite their outwardly antagonistic relationship, they deal with the complexities of office romance, keeping their budding relationship under wraps to avoid workplace gossip.
Workplace romances are a rarity in anime, so if you like those, I Have a Crush at Work is a must-watch. The chemistry between Masugu and Yui is both fun and relatable, especially if you’ve ever had a crush on a coworker. Overall, this anime is a lighthearted series that’s perfect for a cozy binge during the winter months.
12. Medaka Kuroiwa is Impervious to My Charms
- Aired: January 7, 2025 to ?
- Episodes: 12
- Genres: Comedy, Romance
- Studio: SynergySP
Medaka Kuroiwa Is Impervious to My Charms is a romantic comedy that follows Mona Kawai, a high school girl accustomed to being adored by everyone, who becomes intrigued by Medaka Kuroiwa, a new transfer student who remains unfazed by her charms. Determined to win his affection, Mona’s efforts lead to unexpected developments.
Another quirky school romcom on this list, Medaka Kuroiwa is Impervious to My Charms is filled with hilarious situations as Mona tries to relentlessly charm the indifferent Medaka. Additionally, if you like assertive female characters who aren’t afraid to go after what they want, you’ll love this show!
13. Headhunted to Another World: From Salaryman to Big Four!
- Aired: January 6, 2025 to ?
- Episodes: 12
- Genres: Adventure, Comedy, Fantasy
- Studio: Geek Toys, CompTown
Headhunted to Another World: From Salaryman to Big Four! is a refreshing twist on the isekai genre. Dennosuke Uchimura, an ordinary salaryman, is unexpectedly summoned to a fantasy world by the Demon King. Instead of wielding magic or swords, Uchimura’s expertise in negotiation and management becomes his greatest asset.
It seems like there’s no shortage of shows trying to take a different approach to isekai, especially with the typical ones being overproduced in recent years. While the series is generally lighthearted, using clever strategy instead of fighting adds an exciting twist, making it a perfect choice for fans seeking something different in the isekai realm.
14. Toilet-Bound Hanako-kun Season 2
- Aired: January 12, 2025 to ?
- Episodes: 12
- Genres: Supernatural, Comedy, School
- Studio: Lerche
Toilet-Bound Hanako-kun Season 2 continues the supernatural adventures of Nene Yashiro and Hanako-kun at Kamome Academy. The season explores the mysteries of the Seven Wonders and the spirit realm even deeper, with a focus on Nene’s connection to the supernatural and her evolving relationship with Hanako.
The anime is unique not only for its art style but also for how it combines lighthearted comedy with darker themes, keeping you on your toes. But the best part is the nuanced relationship between Nene and Hanako, which keeps deepening. I would be lying if I said I didn’t want them to be a couple since their innocent love and friendship are just too cute!
15. Ameku M.D.: Doctor Detective
- Aired: January 2, 2025 to ?
- Episodes: 12
- Genres: Mystery, Medical, Drama
- Studio: Project No.9
Ameku M.D.: Doctor Detective is a medical mystery anime that follows Dr. Takao Ameku, a brilliant yet eccentric director of investigative pathology at Tenikai General Hospital. She specializes in diagnosing complex cases that other departments cannot resolve. Her passion for solving mysteries often leads her to investigate unusual deaths and medical anomalies, sometimes involving the police.
Dr. Ameku is such a fun and quirky character; her passion for solving medical mysteries makes every episode exciting. The show combines clever plotlines with a touch of humor, plus it’s so much fun to see how she tackles bizarre cases and mysteries behind them.
