In this au the boys have 4 step sisters the oldest Ava (17) and the youngest Mary(12) Sarah(14) Emma(19) Itsuki:I'm so excited to meet our step sisters and our step mom Akane:Of course you are Itsuki Izuku:I don't understand why dad is getting remarried in the first place, I don't want sisters Hikaru:Yay Mary is going to my school, I'm so excited and Akane I think Ava is going to your high school also Izuku I think Sarah is going to your school and Itsuki Emma is going to your college