Shy and slightly curious about sex, but unable to tell anyone—Mitsuki Igarashi musters up the courage to seek encounters through a pairing site to earn money for games and karaoke. There, she meets a kind and considerate older guy. He shares, "I've only had sex once before, but it ended so quickly I didn't even understand what happened." From their first meeting, they head together to a love hotel for the first time. Gradually, their hearts begin to open up to each other. In a natural progression, their emotional distance closes. A pleasant love story unfolds, woven from the tension of their first encounter and the warmth they share.