Haruki, a diligent school nurse by day and a skilled hunter by night, finds himself in a rut unable to capture any prey. Frustrated, he encounters the enigmatic Shion who challenges him with bold words. Initially dismissing Shion's threats as mere childish games, Haruki is soon overpowered and bound by the mysterious young man. In a surprising turn of events, Shion takes the lead, offering Haruki a new and unexpected experience that leads him to abandon his usual role and surrender to the ecstasy of the moment.