Shiori, an exemplary adult student, joins a powerhouse rugby club as manager to improve her record, despite her boyfriend’s fears about the team’s huge, sex-starved players. He tries to reassure himself that she is too sensible to be swayed, yet imagines her gradually opening up to their rugged masculinity, being crushed in muscular arms, surrounded by huge cocks and gang-raped as the men compete to breed her. He dismisses it as an overactive porn-comic fantasy—but the ominous uncertainty remains.