Sono Ki ni Natta?

Hanayagi is a high school girl with little romantic experience but a deep curiosity about sex. When her classmate Kusakawa, a notorious playboy, proposes a casual encounter, she agrees out of pure curiosity. What starts as a simple experiment quickly becomes more complicated as feelings begin to develop.

After their first night together, Hanayagi and Kusakawa find themselves unable to stay away from each other. Their relationship blurs the line between physical desire and genuine emotion, forcing both to confront what they truly want. As they navigate this unexpected connection, they must decide if their bond is just about curiosity or something deeper.