Motoi introduces Eripiyo and Kumasa to his little sister, Rena, who went to the Okayama Girls' Festa with him. She tags along with him to see ChamJam perform after seeing them at Girls' Festa and her favorite just happens to be Maina.
...just wanted a letter from you, Eripiyo.
Dabei wollte ich doch nur
einen Brief von Eripiyo.
Solo quería una carta tuya,
Eripiyo.
Je voulais juste la lettre d’Eripiyo.
Só queria que você escrevesse
uma carta para mim, Eripiyo.