JUR-914 | A two-day, one-night "semen-draining" trip with my insatiable aunt—who bangs my husband every single night. After being drained repeatedly, I—a virgin—suddenly awakened to my own sexuality... and, forgetting everything else, I became completely hooked on non-stop, creampie-filled sex. — Yuna Shiina

Yoshikazu ends up taking his father’s place on a family hot-spring trip, as his father couldn’t make it due to work. Reconnecting with his aunt, Yuna—who provocatively flaunts her alluring, voluptuous body—proves far too stimulating for the young man. While he is secretly masturbating in the bath, trying to quell his surging sexual desire, Yuna walks in. Seeing his cock standing at full attention, she is instantly overcome with lust and begins to fellate him… Driven to ejaculate time and again, Yoshikazu discovers the true pleasure of sex and begins to ravage her with the unbridled intensity of a wild beast. Meanwhile, Yuna—who had long felt unsatisfied in her marriage—finds herself hungrily craving him in return…