Surrounded By The Children Of Harem Protagonists RaiseThemMyself

Shinji Mizunashi a graduate scholarship student wandering through life dies and gets reincarnated as the child of neglective parents simply because they were apart of a harem. And if the actual parents aren't bothered to raise the children then he'll just have to do it himself... even though he himself is also a child.

Although, he forgot one crucial detail.

He reincarnated into an anime world.

NOTE: This is a fanfiction; the original works belong to their respective owners