Weekly Shonen Jump issue 23, 1970 — 週刊少年ジャンプ, the weekly manga anthology published by Shueisha — came out on June 1, 1970 and carries 13 series, with Otoko Ippiki Gaki Daishou on the cover. Inside: Otoko Ippiki Gaki Daishou, Jinsei Nisho Ippai, Arashi! San-piki, Toilet Hakase (Professor Toilet), Derorinman and Inochi Girigiri, and more. This issue carries the first chapter of Toilet Hakase (Professor Toilet) and Inochi Girigiri.