Synopsis: Chrysalis: Flower & Butterfly

Ageha and her twin sister Hana were born as twins, but their parents left Ageha with their grandmother in the countryside while Hana grew up in the city. In first grade, Ageha moved to the city to live with her parents and twin. Now in high school, the two sisters are very different with Ageha being a reserved tomboy while Hana is popular and outgoing. During a school fair, Ageha is left alone to manage the booth while her classmates attend a concert. Feeling like Cinderella who missed the ball, a boy named Kyuu appears wearing a horse mask and asks for coffee. He teases Ageha about her crush on Ryuusei, and encourages her to shout out that they are dating. To her surprise, Ryuusei shows up, and they rediscover their childhood friendship. However, Hana becomes jealous and plots to steal Ryuusei away from Ageha.