Weekly Shonen Jump issue 1, 1975 — 週刊少年ジャンプ, the weekly manga anthology published by Shueisha — came out on January 6, 1975 and carries 12 series, with Circuit no Okami (The Circuit Wolf) on the cover. Inside: Circuit no Okami (The Circuit Wolf), Hono no Kyojin, Toilet Hakase (Professor Toilet), Play Ball, Onna Darake and Astro Kyudan (Team Astro), and more. This issue carries the first chapter of Circuit no Okami (The Circuit Wolf). It contains the final chapter of Boku no Dobutsuen Nikki.