Assassin As A Student
Nagisa Shiota an orphan, who was unloved, and moved from many countries beyond Japan.
Abused, humiliated, bullied, and sexually harassed, he was found abandon in the streets of Italy and trained to kill at the age he started to walk, talk, and think, now he joins his age group in Japan to kill a super inhuman octopus- er, monster.
The picture is not mine.
The anime(s) is not mine.
It will have an anime crossover so sorry if you don't want.