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.
Do, mi, so-
...دو، مي، سو
दो, मी, सो...
Do, mi, sol—
Dó, mi, so—
До, ми, соль...