Izuku gets hit with a quirk whilst on patrol which reverts him to his 5 year old self. Izuku has no knowledge of anyone in his class except for one. Katsuki is assigned babysitter of Izuku until the quirk wears off.

Bond to be a servant,inorder to support his mother Naruto lands in the hand of Sasuke Uchiha and the love that was once forgotten starts to blossom again