Noa Eikawa's first girlfriend belonged to a tennis club that turned out to be a sex-focused circle, and the story depicts how their relationship gradually destroys him mentally. Drawn in by her charm, he becomes deeply entangled in the club's world in a realistic portrayal that strongly resonates with viewers. A dramatic narrative unfolds, intertwining pure romantic feelings with intense emotional highs and crushing lows. Through her actions and behavior, her true nature is gradually revealed. This story fully captures the joys and pains of love, packed with compelling elements that captivate the audience.