Suzuki Ryūto is a shy, introverted college student who hides behind a mask of smiles, enduring ridicule over his virginity. One night at a drinking party, he meets Kokoa, a beautiful girl being stalked and harassed. To protect her, Ryūto agrees (at Kokoa’s request) to pretend to be her boyfriend. Their faux relationship blossoms into something tender, offering Ryūto a glimpse of acceptance and hope. But what begins as protection and affection slowly spirals into darkness. Secrets, obsessions, and tragedy seep in, pulling both Ryūto and Kokoa into psychological turmoil. As the stakes escalate, Ryūto must confront who he really is — and what he’s capable of. The romance becomes entangled with violence, betrayal, and irreversible choices. In the end, it’s not just love at risk — it’s sanity, identity, and survival.