Historias de Eriadoption

Izuku is a devil of a minor branch of house gremory and house phenex, how will the heroes react to the supernatural and how will a certain vine haired nun react to his heritage? Izuku/multiple issei/multiple pairings to be decided contains lemons (asides fanfiction.net version) (also, help i do not know how to remove story images, so enjoy the pic of my cat)