A slutty sister-in-law who climaxes every night with her husband, a two-day, one-night semen-extraction trip with her; a virgin awakened from his reverie amidst sex... forgetting everything, indulging in continuous orgasms during thrusting; Kazama Yumi JUR-003

Kou Hai goes on a hot spring trip with his relatives and reunites with his aunt, Yumi. Upon their long-awaited meeting, he is immediately attracted to her voluptuous body, and his young penis can no longer suppress its desire… Attracted by his erect penis, Yumi decides to use him to release the sexual desire she cannot satisfy with her husband. Meanwhile, Kou Hai, experiencing sexual pleasure for the first time, cannot concentrate until the moment he checks out, relentlessly pursuing Yumi. Finally, like a monkey, he continues to make love to her, and she is deeply attracted by this persistent sexual activity…