A one-shot by Yoshio Sawai, creator of manga Bobobobo-bobobo. Takes place into a island where the characters use the game janken to defeat your oponents.
SynonymsSanchuushuu Katsugeki, Smelly Action in the Mountains, Gekisen!! Janken Shima, Jankenjima, Fierce!! Rock, Paper, Scissors Island, Sawai Yoshio Tanpenshuu, Mutekin