Goro Suzuki has had to play the mother role for his six older brothers and one younger brother for as long as he could remember, however all he wants is someone to take care of him the way he does with everyone else, can his oldest brother, Hitoshi, make this come true?

A bratty 13 year old little sister who's parents die and is looked after by her older sister

Kouichi Oyama, the little cousin to Kyoya Ootori, has always been the "baby" of his family. What happens when that title becomes quite literal and he's stuck as a four year old?

A boy turns into a younger brother