A two-day, one-night "sperm-draining" trip with an amazing aunt who makes love to her husband every day. Played with relentlessly, I, a virgin awakened to sexual awakening...forgot everything, indulging in continuous ejaculation. Mariko Koto, JUR-425

Ryokazu, whose father is working in his place, goes to a hot spring with his mother and relatives. Unconsciously, he is drawn to the eroticism emanating from his aunt, Mariko, whom he hasn't seen in a long time… Mariko notices him and becomes sullen. Mariko, captivated by his strong penis, releases her daily sexual urges that cannot be satisfied by her husband alone. Ryokazu, who has been taught sexual pleasure by her, caresses her wildly and greedily like a monkey, and Mariko responds, forgetting herself, shaking her hips frantically…