Nananan

Summary

A pure-hearted only child: Masaki. He is very methodical, punctual and can do any kind of housework. But when his mother remarries, he becomes the youngest of seven brothers! The house quickly becomes like a lawless jungle and the youngest, Masaki, has to clean up after all his older brothers… And that's only the start of an eventful new family life! (Source: Aerandria)