The Trial Boyfriend's Possessive Streak

"Are you sure about this? I might not be able to settle for just pretending to be your boyfriend."—To avoid the eyes of everyone around them, a “trial boyfriend” arrangement that started half as a joke, existing only after school. But Kyosuke Haruna, normally the kind and smooth-talking classmate, starts closing the distance with heated eyes whenever they're alone... A frustrating, faintly sweet game of push and pull that begins with a purely formal contract.