Stop!! Hibari-kun!

'''Stop!! Hibari-kun!' (ストップ!! ひばりくん!, Sutoppu!! Hibari-kun!'') is a manga series written and illustrated by Hisashi Eguchi. It was serialized in Weekly Shōnen Jump from October 1981 to November 1983, and the chapters were published in four tankōbon volumes by Shueisha from November 1982 to January 1984. The series was adapted into a 35-episode anime television series by Toei Animation that aired on Fuji Television from May 1983 to January 1984.

Plot
A teenage boy has now moved in the home of his mother's friend, because she had died a while back. It just so happens that the Yakuza family has four beautiful daughters, but one daughter, Hibari, who is more beautiful then the rest of the daughters, is actually a boy. Hibari just can't keep his hands off our hero and so their crazy yet happy lives go on.