Joining the rumored circle known as "Yarisa" to aim for my first time, I eagerly attend my long-awaited first drinking party! However, unable to change my personality, I end up just talking with male friends until the party concludes... Then, a goddess descends! A beautiful senior, two years my senior, invites me to her home! As first-timers at a woman's residence, my friends and I are nervous, but we're steadily made to drink more... Suddenly, she mounts me, and it's my first time! After climaxing, I'm immediately forced to re-erect and endure continuous insertions! Our memories of losing our virginity are far from sweet and sour; they're a relentless series of insertions...