Hinai and Guest were separated in the fourth grade. Even back then, Hinai already had feelings for Guest. During their time apart, perhaps due to the stress of Guest's absence, Hinai's body began to change. A red mohawk streak appeared in her hair, and her arms became white wings. Then, while in the bathroom, she laid an egg! It was revealed that Hinai is a chicken harpy. Additionally, her eggs were found to be the tastiest in the world. Hinai practiced cooking egg dishes, hoping Guest would eat them. Then, in the spring of their second year of high school, Guest appeared as a transfer student!