Having welcomed Muni to the unit as VJ and gaining popularity through their concerts, Rinku and her friends decide to apply for a song composition contest.
Rinku, who has started to practice piano for song making, introduces Teacher Rei-chan to Maho & Muni.
Yay!
!مرحى
Yay!
¡Yey!
¡Viva!
ये!
Yee!
Yay!
Ура!