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.
I really have no idea why I didn't notice.
Wieso hab ich das nur nicht bemerkt …
De verdad no tengo idea
de por qué no me di cuenta.
Não sei como eu não percebi.