Story of a book store manager.

Tetsumaru Hanada has just entered Sakuragaoka Middle School. One day, he sees the girl he likes, Nagano, being harassed by some older students — but he can’t bring himself to do anything. He can only watch in awe as his classmate Akira Kimoto takes down the bullies with impressive judo moves. Believing Kimoto to be the rival he’s been searching for, Hanamaru decides to join the judo club too. However, tough training awaits him, since he has never practiced judo before. A sincere and energetic coming-of-age story — the passionate youth of Hanamaru begins! (Source: Shogakukan)

Haru Shibata, a student at a prefectural high school, rebels against the increasingly strict management education enforced through school rules, corporal punishment, and other means, and takes action. Joined by three companions—Tora Mori, raised in Peru; the giant Hitomi Shiroyama, granddaughter of a conglomerate head with a juvenile detention center past; and Kanna Kamishima, Hitomi's childhood friend and model—Haru escapes Japan with them to realize their dream of creating an ideal school, setting their sights on the legendary land of gold, El Dorado! Serialized in Weekly Big Comic Spirits from 1988 to 1991.