Boku no Tonari ni Ankoku Hakaishin ga Imasu. (2020)
Seri aspires to become a better student, he really tries, however, for some reason he is sit next to an old acquaintance, Kabuto.
Since middle school, Kabuto acts awkwardly and clumsy, claiming to be someone fantastic. He covers his right eye, and avoids removing it at all cost, in case it happens, a darker alter-ego with the name of Michael Offenbarung Dunkelheit is set free and something terrible might happen.
For Seri, being next to him is so inconvenient, his grades are worse by the day, and he cannot concentrate at all.
One day, Kabuto enters his classroom all soaked, holding a los puppy, and begins to tell a fantastic story. His classmates simply listen, but Seri ends up annoyed by every word he claims.
On the other hand, is Utsugi, usually bored, who loves to push Kabuto to continue with his story and entertain him.
For their schoolroom teacher, having such characters in class has become an issue, and now, they have the worst grade average.
He decides to form teams and make then gather and study together, the worst team will have to plan the next class trip.