Weekly Shonen Jump issue 31, 1970 — 週刊少年ジャンプ, the weekly manga anthology published by Shueisha — came out on July 27, 1970 and carries 12 series, with Otoko Ippiki Gaki Daishou on the cover. Inside: Otoko Ippiki Gaki Daishou, The Gutsy Frog (Dokonjou Gaeru), Arashi! San-piki, Jinsei Nisho Ippai, Manga Drifters and Ore wa Gebatetsu!, and more. This issue carries the first chapter of The Gutsy Frog (Dokonjou Gaeru) and Manga Drifters. It contains the final chapter of Kajiko.