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As the year 2020 comes to an end, this only means one thing: new upcoming anime. Evidently, a quick look at the upcoming winter 2021 anime list shows quite a lot of promises entertainment-wise. Today, I will be going through the 15 Best Upcoming Winter 2021 Anime To Watch. Whether you are a lover of a relaxing slice of life, an aloof and mysterious detective show, or a full-on violent R18 show, this list will have everything. So for those who are unsure of what new anime to watch or even to catch up to, then you are definitely in the right place. Let's begin! 15. Kemono Jihen Season: Winter 2021Source: MangaStudios: Aja-DoGenres: Action, Mystery, Demons, Supernatural, Shounen Anime Synopsis: Detective Kohachi Inugami was sent to a remote village located on the mountain in order to investigate a series of rotten animal bodies. There, he stumbled across a young boy nicknamed "Dorota-bou" who seemed completely different from his peers; in which he rarely goes to school and much rather prefer to do 'field' work. Through Dorota-bou's help, Inugami was able to slowly uncover the truth relating to the strings of mysterious slaughter, but with a twist that includes supernatural forces. Best Upcoming Winter 2021 Anime: Kemono Jihen is an upcoming winter 2021 anime that feature themes of youkai and supernatural forces throughout. In addition, the anime is also a hybrid between the mysterious / detective genre and shounen. So if you are looking for an action-packed thriller anime with a great plot for the upcoming anime season, then you definitely cannot go wrong with Kemono Jihen. 14. 5-toubun no Hanayome ∬ Season: Winter 2021Source: MangaStudios: Bibury Animation Studios Genres: Harem, Comedy, Romance, School, Shounen Anime Synopsis: Fuutarou Uesugi is a genius high school student who excels at literally every subjects he study. However, due to his intense focus, Fuutarou is an outcast with no friends. One day, he learned that a beautiful transfer student, Itsuki Nakano, has stolen his lunch seat. Outraged, Fuutarou insulted her, a decision that he would soon regret. A few days later, Fuutarou was offered a high paying job to tutor a wealthy family who turned out to be the Nakanos all along. Due to the horrid encounter with one of the sisters, Fuutarou embarks on a journey to regain his reputation once and for all. Best Upcoming Winter 2021 Anime: 5-toubun no Hanayome ff, a continuation of its previous season, is a story revolving around a high school tutor who must win the heart of his 5 beautiful students. However, in order to succeed, Fuutarou must learn the secrets and emerge himself within their dramas, solve their problems, and earn their respect once and for all. If you are looking for a decent Harem anime with great plot and drama, then check out 5-toubun no Hanayome ff. Related: 13 Harem Anime To Watch Now! 13. Kaifuku Jutsushi no Yarinaoshi Season: Winter 2021Source: Light NovelStudios: TNKGenres: Ecchi, Fantasy Anime Synopsis: Keyaru, a healer magician who was greatly exploited and tortured by his own party members, one day was able to obtain the powers of the Philosophical Stone. Through its powerful magic amplification effect, he was able to turn back time 4 years prior to the gruesome incidents. Now, possessing the advantage of knowing the upcoming events, Keyaru was about to embark on the greatest and most satisfying revenge of all time. Best Upcoming Winter 2021 Anime: Kaifuku Jutsushi no Yarinaoshi tells the tale of a healer magician who was tortured throughout his career but was fortunate enough to obtain a chance to redo his gruesome life. Similar to an Isekai genre, this will perhaps be one of the best revenge anime you ever watch. Please do beware that there are explicit mature themes such as violence, rape, and much more. If you are into this kind of stuff, then Kaifuku Jutsushi no Yarinaoshi will certainly not be a disappointment for this Winter 2021. Related: 10 Most Messed Up Manga To Read! 12. Horimiya Season: Winter 2021Source: MangaStudios: CloverWorks Genres: Slice of Life, Comedy, Romance, School, Shounen Anime Synopsis: Despite Izumi Miyamura's outer appearance as a gloomy, anti-social, and glasses wearing Otaku, he actually possesses several hidden piercings that no one knows about. However, when honor student, Kyouko Hori, accidentally discovered Izumi's secrets, the two became friends despite their seemingly polar opposites personality. Thus began a wholesome and cute relationship that only these dynamic duo could pull off. Best Upcoming Winter 2021 Anime: Horimiya is a combination of sweet, cute, wholesome, and simply everything in between. It depicts a unique relationship between a seemingly gloomy Otaku, Miyamura, and perfect honor student, Hori. In terms of the storyline and character development, nothing crazy will happens. Horimiya is simple yet relaxing rom-com, making it a perfect anime to watch after a stressful day. 11. Hataraku Saibou Black Season: Winter 2021Source: MangaStudios: LIDENFILMSGenres: Action, Seinen Anime Synopsis: When it come to drugs such as alcohol and smoking, they are extremely damaging to the human body. However, under these extremely stressful working conditions, Red Blood Cell AA2153 has learned how to transport oxygen and carbon dioxide throughout the entire circular system. Meanwhile, White Blood Cell U-1996 must take care of the viruses and bacteria that invade the body during these stressful moments. Best Upcoming Winter 2021 Anime: Hataraku Saibou Black is a spin-off of the original series, Hataraku Saibou. Despite having the same concept and characters being Red and White Blood Cells, the anime take place in a more stressful conditions. If you have not learnt the effects of smoking, alcohol, and stress to the body, or simply wanted to review your knowledge, then Hataraku Saibou Black is the perfect educational anime to get into this upcoming winter 2021. 10. World Trigger 2nd Season Season: Winter 2021Source: MangaStudios: Toei AnimationGenres: Action, Sci-Fi, Supernatural, School, Shounen Anime Synopsis: In the near future, monsters are known as "Neighbors" has invaded the earth through a mysterious gate. To combat this malicious force, an organization called Border Defense Agency who fights through special weapons, "Triggers", was formed. New trainee Osamu Mikumo was told not to use his "Triggers" in public. However, everything changes when he encounters transfer student Yuuma Kuga, a mysterious boy who turns out to be not entirely human at all. Best Upcoming Winter 2021 Anime: Following the events of the previous season, World Trigger 2nd Season is certainly a hype-worthy anime considering the success of the overall series. For those of you who closely follow World Trigger, then be prepared for the upcoming winter 2021 season of yet another thrilling and action-packed plot. 9. Nanatsu no Taizai: Fundo no Shinpan Season: Winter 2021Source: MangaStudios: Studio DeenGenres: Action, Adventure, Supernatural, Magic, Fantasy, Shounen Anime Synopsis: Under the tyrant reigns of the Holy Knights of Britannia, a group of powerful knights decided enough was enough. Under the name of "Seven Deadly Sins", these seven knights betrayed their homeland and started a dragged out rebellion against the ruler of Liones. Unfortunately, they were quickly defeated by the Holy Knights, and their tales were forgotten for a decade. However, rumors have it that the Seven Deadly Sins were still alive and will reunite once more, bringing fear upon the cruel reigns of Britannia. Best Upcoming Winter 2021 Anime: Nanatsu no Taizai: Fundo no Shinpan is the fourth season of the original thrilling and action-packed Nanatsu no Taizai series. The story follows the past event where Meliodas vowed to save Elizabeth's even if he must become a Demon. While there are more questions than answers, hopefully, this upcoming fourth season of Nanatsu no Taizai will provide proper closure for fans alike. 8. Non Non Biyori Nonstop Season: Winter 2021Source: MangaStudios: Silver Link.Genres: Slice of Life, Comedy, Seinen Anime Synopsis: Asahigaoka, despite its seemingly mundane rural life, continues to be the best place for the four close friends to have their fun times. First, there is the youngest one of the group, Renge Miyauchi, a seemingly aloof girl who is actually quite compassionate. We then have the dynamic Koshigaya sisters, Komari and Natsumi, as well as their brother Suguru who Natsumi has a huge complex on. Finally, the most mature of them all is Hotaru Ichijou who is often treated as an adult despite being an elementary school student. Come tune in for their daily fun and silly adventures. Best Upcoming Winter 2021 Anime: Non Non Biyori Nonstop is the upcoming third season of the original Non Non Biyori series. Despite not much has happened in terms of plot, the anime is definitely what one calls "relaxing". Featuring characters and an atmosphere that replicates the 'cute girls doing cute things' trobe, Non Non Biyori Nonstop makes a great slice of life anime to get into this winter 2021 season. 7. Hataraku Saibou!! Season: Winter 2021Source: MangaStudios: David ProductionGenres: Comedy, Shounen Anime Synopsis: The human body is made up of billions of cells and systems that do constant work 24/7. Red Blood Cell AE3803's task is to transport oxygen and carbon dioxide up and down the circulatory system. However, lies within the storage rooms are numerous malicious bacteria and virus that threatens the very lives of its residents. As a result, it was time for White Blood Cell U-1146 and his colleagues to fight against these harmful threats and protect the residents within the circular system. Best Upcoming Winter 2021 Anime: Hataraku Saibou!! is the upcoming second season of Hataraku Saibou, a highly entertaining educational anime that teaches viewers about the ins and outs of the human body. If you thought the facts of the first season of Hataraku Saibou were somewhat lackluster, then the upcoming Hataraku Saibou!! this winter 2021 is yet another free and exciting biology class for you to enjoy. Related: 10 Education Anime You Must Watch! 6. Beastars 2nd Season Season: Winter 2021Source: MangaStudios: OrangeGenres: Slice of Life, Psychological, Drama, Shounen Anime Synopsis: When animals come together and form a strict civilization with laws and justice systems, there are bound to be those with malicious intentions. And despite there exists a rule preventing carnivores from consuming herbivores residents, the black market for animal meats continues its nightly operation. Legoshi, an aloof and anti-social gray wolf, was assigned to be the stage crew for a school drama performance. There, he met Haru, a beautiful rabbit girl whom Legoshi developed intense feelings of love, or perhaps hunger, for. Best Upcoming Winter 2021 Anime: Beastars 2nd Season is an upcoming winter 2021 anime and is a continuation of the series Beastars. Compared to the first season, the upcoming season focuses more on the thrillers and psychological aspect where Legoshi, the main protagonist, must embark on a difficult journey to self-discovery. Furthermore, the story will branch out, giving further focus to Louis in terms of character development. With all these factors, Beastars 2nd Season is definitely an anime worth checking out in the upcoming winter 2021 anime season. 5. Kumo Desu ga, Nani Ka? Season: Winter 2021Source: Light NovelStudios: MillepenseeGenres: Adventure, Comedy, Fantasy Anime Synopsis: In a world of Hero and Demon King, adventurers who die will be reincarnated into a different creature in their next life. Unfortunately for one, she was reincarnated into the lowly class of a spider named Kumoko. However, despite starting out with extremely low stats, Kumoko was determined to become the strongest being ever to exist. Best Upcoming Winter 2021 Anime: Kumo Desu ga, Nani Ka? is yet another upcoming Isekai that will make its grand entrance in the upcoming winter 2021 anime season. The special twist? Instead of being reincarnated as an overpowered being with their stats fully maxed out, the main protagonist is reincarnated as a lowly spider instead. However, don't be disappointed yet, because you are about to witness a once-in-a-lifetime adventure that will keep you on the edge of your seats. Related: 5 Best Isekai Manga To Read! 4. Dr. Stone: Stone Wars Season: Winter 2021Source: MangaStudios: TMS EntertainmentGenres: Sci-Fi, Adventure, Shounen Anime Synopsis: It has been a while since Senkuu has awoken to a world completely eradicated of any signs of civilization. The cause was due to an abruptly strange green light that turns the entire world into stone for approximately 3700 years. Now, Senkuu, along with his comrades, Taiju, Chrome, and Kohaku, were determined to rebuild civilization once more by forming The Kingdom of Science. However, in order to do that, they must defeat Tsukasa Empire, Kingdom of Might, and prevent Tsukasa from stopping their grand plans once and for all. Best Upcoming Winter 2021 Anime: Following its past events, Dr. Stone: Stone Wars is the second season of the original series Dr. Stone. For those who thought Dr. Stone was a treasure trove of fun scientific facts, then hopefully its second season will further deepen such knowledge. Furthermore, if you were perhaps into the rivalry between Senkuu and Tsukasa, then Dr. Stone: Stone Wars should definitely be on your list of must-watch anime for the upcoming winter 2021 anime season. 3. Yakusoku no Neverland 2nd Season Season: Winter 2021Source: MangaStudios: CloverWorksGenres: Sci-Fi, Mystery, Psychological, Thriller, Shounen Anime Synopsis: The Grace Field House, run by Isabella, also known as "Mama", is a safe and happy home to numerous orphanage children. On the orphans' 12th birthday, they will be adopted by a lovely family who will take proper care of them. However, the three oldest orphans of Grace Field House, Ray, Emma, and Norman, has some suspicions about this whole adoption matter. And they were right, because, on one stormy night, this trio finally discovered the ugly truth of Grace Field House once and for all. Best Upcoming Winter 2021 Anime: Yakusoku no Neverland 2nd Season continues from the previous season after Emma, Ray, and Norman learnt of the true nature of The Grace Field House. Furthermore, this upcoming season continues to be a thriller that keep you on the edge of your seat, detailing the dangerous life outside of The Grace Field House. Thus, if you are stuck on what to watch this upcoming winter 2021 anime season, then Yakusoku no Neverland 2nd Season will not let you down. 2. Re: Zero 2nd Season Part 2 Season: Winter 2021Source: Light NovelStudios: White FoxGenres: Psychological, Drama, Thriller, Fantasy Anime Synopsis: Following the events after Subaru Natsuki and Emilia returned to Irlam Village only to witness its utter destructive state, the group was determined to solve the problem once and for all. Upon stumbling across the Witch of Greed, Echidna, Subaru was once again stuck in a forever loop of death and time travel. Will he finally be able to solve the curse and save his loved ones from their gruesome fate? Best Upcoming Winter 2021 Anime: Re: Zero 2nd Season Part 2 continues from where the anime left off at the end of the 2nd season. One question remains. Will Subaru be able to undo the curse and save his beloved friends once and for all? As such, the upcoming season of Re: Zero will continue to be a thriller that keeps you coming back for more. If you are someone like me who loves the Re: Zero series, then definitely put this on your watch list for winter 2021. 1. Shingeki no Kyojin: The Final Season Season: Winter 2021Source: MangaStudios: MAPPAGenres: Action, Military, Mystery, Super Power, Drama, Fantasy, Shounen Anime Synopsis: After Eren, Mikasa, and Levi attempted to capture the Colossal Titan and the Beast Titan in order to retake Wall Maria, a huge battle between humanity and the "Titans" broke out. However, despite being the victorious side, the Survey Corps suffered a major loss: their commander, Erwin Smith. Nevertheless, Eren, Mikasa, and Levi continues their long journey to unravel the mysteries of Titans and eradicate them for good. Best Upcoming Winter 2021 Anime: Shingeki no Kyoujin: The Final Season is easily one of the most hyped-up anime show of winter 2021. Despite the intense battle between the Titans and Survey Corps in regaining control of Wall Maria, there was not a definitely victorious side. Hopefully, with more answers than questions, Shingekin no Kyoujin: The Final Season will once and for all provide proper closure to the dragged-out war between Titans and humanity. Conclusion: And that concludes the list of the 15 Upcoming Winter 2021 Anime To Watch. Evidently, this list provides great promises for entertainment, giving everyone quite a lot of options to chose from. Whether you prefer a relaxing slice of life show, an intriguing Isekai, or a thrilling and action-packed series, hopefully, this list is able to satisfy your demands. So stop dawdling around and add these shows to your upcoming anime to-watch list now! Overall, what did you think about this list? Was there an anime you would like to see recommended here? If so, feel free to share your thoughts in the comment section below!