Ryuki thought he was building a casual sex relationship with Honoka, but as they continued sleeping together, he realized she wasn't seriously looking for a boyfriend—and gradually, he began falling for her. Though Ryuki senses something in Honoka's behavior, she always manages to evade his feelings, fully aware of his growing attachment. Unable to break free from this ambiguous relationship, his emotions deepen each passing day. His desire for Honoka grows stronger, and he starts longing to become truly close to her.