This work unfolds with the setting of a college girl encountered in the city engaging in international exchange through sports. She competes against a foreigner with a gigantic penis, with the chance to win 1 million yen if she wins, but will have to play the creampie version of the Japanese-American arm wrestling game if she loses. Despite her initial confusion with the arm wrestling game, she feels the fun and excitement. However, she is unable to withstand the opponent's strategy of sheer volume and ends up being defeated and creampied by the biggest penis.