In the high school's drama club, Rin Nanakura meets Eiji Kitahama, who has always wished for his own harem. Rin has a whole array of roles ready to keep Eiji on his toes.
The number of characters that Rin plays in front of Eiji keeps increasing. Furthermore, when Eiji finds out that Rin has a little sister, he plays a little sister character, and at the school festival, a strange character seems to be born.
Rin and Eiji have less time together now that Eiji is getting ready for college, but they're working to make the most of it, as she helps him pick out a new outfit.
Rin's birthday is coming and Eiji is working to save up and buy a gift. But when his girlfriend is sometimes multiple people, who exactly does he buy a birthday present for?
Eiji's decision to dedicate himself to Rin exclusively has Rin feeling insecure on the behalf of her characters. But can a love polygon really exist with only two people involved?
A short film made by Eiji's friend starring Rin ends up drawing attention from a talent agency. On the verge of graduating, the time has come for her to make a big decision.
