Rain BoyRain Boy.

Lion Books (Japanese: ライオンブックス, Hepburn: Raion Bukkusu) is a Japanese manga series written and illustrated by Osamu Tezuka. It was published by Shueisha in the Omoshiro Book as a supplement. The same company published Lion Books II in Weekly Shōnen Jump in the 1970s, which would commonly be referred to as The New Lion Books.