Six siblings

When Midoriya Izuku young was he met Bakugo Katsuki in Nursery School. They were Best Friends until they were involved in a Villain Attack and Become Brother. aktuell not only they in that Day Izukus and Katsukis Dads died and Ochakos, Denkis and Ejiros parents died too only Shoto and his Mother survived in the Attack from his Family well his Father wasn't there and his sister is in Highschool so his Two Brothers died. the Three Mothers are raising Now Six kids together.

pairings

Katsuki~izuku
Ochako~Tenya
Denki~Kyoko
Shoto~Momo
Ejiro~Mina