Get Used To Being A Fucking Dumbass - Kiribaku Mpreg
20 parts Complete MatureKatsuki found the woman who hit him with the fertility quirk. He had her use her quirk on him, in a professional setting this time, and what do you know? He got pregnant.
But, he's a fucking dumbass and the rest of his family are fucking dumbasses, so they do fucking dumbass things that get them into fucking dumbass situations.
Third book in the 'Get Used To' series.
Book 1: Get Used To Waking Up At Four AM
Book 2: Get Used To The Real World
Yes, you have to finish those before you read this.