8人の戦士 (Series) favorite_border

[DeepL Translation - needs review] Volume 1 Introduction: A holy war has begun to determine the "king" who will unite the Pulau Islands. The victory or defeat in the battle is simple. The first one to ejaculate loses. One of the warriors, Hart, who had been studying abroad, returns to the islands to fight, but he has mastered a secret ritual. The secret was to attack the completely unprotected "buttocks"!　Includes a newly-drawn color manga.

(Translator: DeepL)