Weekly Shonen Jump issue 10, 1972 — 週刊少年ジャンプ, the weekly manga anthology published by Shueisha — came out on February 28, 1972 and carries 13 series, with Harenchi Gakuen on the cover. Inside: Harenchi Gakuen, The Gutsy Frog (Dokonjou Gaeru), Koya no Shonen Isamu, Toilet Hakase (Professor Toilet), Musashi and Samurai Giants, and more. This issue carries the first chapter of Young Oh! Oh!. It contains the final chapter of Ore wa Ryu.