The Burning Wild Man

The Burning Wild Man, known in Japanese as Moeru! Onii-san (燃える! お兄さん) is a manga created by Tadashi Satō. It ran in Weekly Shōnen Jump from 1987 to 1991 with 19 volumes. It was later adapted into an anime series by Studio Pierrot. The 24 episode series aired on Nihon Television from March 1988 to September 1988.

Plot
Kenichi Kokuho (国宝ケンイチ) became lost in the mountains as a small child. A foster father raised Kenichi; when Kenichi was 15 the foster father told Kenichi about his background and the teenager returned to the civilized world at age 15.

Official

 * The Burning Wild Man
 * Moero! Oni-san Studio Pierrot