Weekly Shonen Jump issue 3-4, 1972 — 週刊少年ジャンプ, the weekly manga anthology published by Shueisha — came out on January 17, 1972 and carries 13 series, with The Gutsy Frog (Dokonjou Gaeru) on the cover. Inside: The Gutsy Frog (Dokonjou Gaeru), Koya no Shonen Isamu, Rensho Yaro, Harenchi Gakuen, Samurai Giants and Toilet Hakase (Professor Toilet), and more. This issue carries the first chapter of Rensho Yaro.