Eriko, the dorm matron of a top rugby team, finds herself surrounded daily by the powerful, growing bodies of the team members, gradually awakening her own desires. While counseling player Ohta, she becomes captivated by his muscular physique and rock-hard cock, instinctively craving it in her mouth. Once she experiences the pleasure, Eriko is consumed by an uncontrollable urge, deepening her relationships with the players. She harbors special feelings for team captain Nakano, indulging in intense blowjobs with his thick, rigid shaft and losing herself in the ecstasy. Her cravings soon spread to other team members, driving her deeper into an endless world of insatiable oral obsession.