Reverse World (DBZ-DBS x Otome Game Sekai wa Mob ni Kibishii Sekai desu)

Furensō (Nickname: "DarkRock") is a Saiyan, son of Goki-Kakaroko (FemGoku!) and Broly. He lives with his family on a floating island somewhat away from human civilization, because they preferred to be in peace because unfortunately in the world they are in; it is quite hostile to men... Although everything changes when our beloved protagonist decides to go to Holfort Academy.