Anime with incest themes are not very common. In fact, most of the time, these series do not bode well with the general public as they certainly do raise some questionable arguments. Regardless, the facts that they are out there remains the truth. Today, I will go over the 8 most controversial incest anime series to ever be released. From themes revolving around step-siblings and blood-related siblings, this list will definitely contain some of the most iconic incest anime series ever. Without further ado, let's get to it! 8. Domestic na Kanojo Episodes: 12Season: Winter 2019Source: MangaStudio: DiomedeaGenres: Drama, Romance, School, Shounen Anime Synopsis: The anime revolves around a high school student named Natsuo. Despite having a crush on his homeroom teacher, Hina, Natsuo woke up only to realized he has just lost his virginity to a girl named Rui. Agreed to never meet again, they both part ways. Upon arriving home, Natsuo was hit with a big surprise. Apparently, his father was getting remarried, suddenly gaining him two stepsisters. They were none other than Rui and Hina. Watch as forbidden love blossoms between the three. 7. Kiss x Sis Episodes: 12Season: Spring 2010Source: MangaStudio: feel.Genres: Harem, Comedy, Romance, Ecchi, School, Harem Anime Synopsis: As Keita Suminoe's mother passed away, his dad remarries, introducing him to two new stepsisters, Ako and Riko. However, despite their family situation, the two stepsisters were completely overcome by an incestuous urge to make Keita theirs. As Keita frantically prepares for his upcoming high school entrance exams, he ultimately has to make a choice between his sisters and his studies. 6. OniAi Episodes: 12Season: Fall 2012Source: Light NovelStudio: Silver Link.Genres: Comedy, Ecchi, Harem, Romance, School Anime Synopsis: Akito and Akiko Himenokouji were forced to live separately due to their parents' tragic deaths. As 6 years gone by, the two reunited once more. What more, Akiko seems to possess romantic feelings for his brothers, despite Akito only seeing her as a little sister. And when three rowdy girls move in next to Akito's apartment, Akiko was determined to have Akito all by herself. Thus begun Akito's harem and his chaotic daily life. 5. Eromanga Sensei Episodes: 12Season: Spring 2017Source: Light NovelStudio: A-1 PicturesGenres: Comedy, Drama, Romance, Ecchi Anime Synopsis: Sagiri Izumi and Masamune Izumi were once close step-siblings. However, the sudden deaths of their parents have resulted in Sagiri becoming a shut-in NEET, secluded completely from his brothers. As the older brother of the family, Masamune must rely solely on his income as a light novel author. But there's a problem - he has never met the illustrator of his works. Through chains of events, Masamune discovered that Sagiri, his young stepsister, was indeed his partner the entire time. How will their relationships change? 4. Imocho Episodes: 12Season: Winter 2014Source: MangaStudio: Project No.9Genres: Comedy, Ecchi, Romance, Shounen, Supernatural Anime Synopsis: As her mom remarries into the Kanzaki family, Mitsuki is not exactly thrilled with this decision. Now, living in her new household, she immediately shut out her new stepbrother, Yuuya. Unfortunately, after waking up in a hospital due to an accident, Mitsuki found herself possessed by the ghost of Hiyori Kotobuki, a girl who was in love with Yuuya. Now, Hiyori must depend on Mitsuki to express her feelings to Yuuya. How will their relationship change from now on? 3. Oreimo Episodes: 12Season: Fall 2010Source: Light NovelStudio: AIC BuildGenres: Slice of Life, Comedy Anime Synopsis: Kirino Kousaka's lifestyle embodies that of a perfect student, possessing stellar grades, athletic abilities, in addition to a professional modeling job. Meanwhile, her brother, Kyousuke Kousaka, is an average high school student with little to no motivation in life. However, one day, as Kyousuke stumbled upon an unfamiliar erotic game, he discovered a huge secret. Kirino, his sister, was a huge Otaku all along. Busted by her brother, their relationships started to change as a strange bond grew between them. 2. Yosuga no Sora Episodes: 12Season: Fall 2010Source: Visual NovelStudio: feel.Genres: Drama, Ecchi, Harem, Romance Anime Synopsis: Haruka and Sora Kasugano are twins who lost their parents in a tragic accident. After years have passed, the two siblings finally return to their nostalgic house located in the countryside. Despite being outsiders, they were well received by the local community itself. However, peace does not last forever. As the twin is determined to start their life anew, misfortune began to gradually threaten their happiness. 1. Koi Kaze Episodes: 13Season: Spring 2004Source: MangaStudio: A.C.G.T.Genres: Drama, Psychological, Romance, Seinen, Slice of Life Anime Synopsis: Saeki Koushirou is a young and successful wedding planner. However, his life is completely in shambles as he has just broken up with his girlfriend, and his next potential partner is nowhere to be seen. Evidently, Saeki's background as the child of a divorced parent is to be blamed. Despite living with his father, he has not seen his mother and sister in years. One day, by seeming fate, Saeki met a high school student who sparked his romantic interest. But as the two become closer, he gradually realizes that she was no other than his long lost sister. Conclusion: And that concludes the list of the top 8 controversial incest anime to ever be released. Indeed, to be expected, most of these are ecchi shows and are not to be taken seriously. However, mixed within this lists are shows such as Koi Kaze and Yosuga no Sora, both are very realistic in terms of dealing with the social consequences of their forbidden relationships. Nonetheless, these 8 incest anime series are controversial to a certain extent. Ultimately, I hope that would provide you a better insight into immoral relationships as a whole.