Tora, the only son of a bookstore owner, is doted on by his parents, but their relationship is extremely bad! One day, a big fight develops over Tora's education problem! In the end, it's even about divorce...! In addition, the controversial work "Challenge" (1971 "Shonen Magazine Extra Edition") and "Substitute Information Staff 00 Romper" (1972 "Shonen Magazine Extra Edition"), which the author Tadashi Yoshida himself challenged, are also included!