Horikawa Mitsuru, a high school student, works at Ryokushou with Itsuka. Seeing the two of them chatting happily together by the sink makes Nagomu feel a little jealous.
While Mitsuru works part-time at Rykoushou to help supplement her large family's finances, she's also actively making music. And her musical activities kick up some trouble.
Weren't you all just laughing 
and playing together?
ألم تكونوا تلعبون وتضحكون معاً للتو؟
¿No se estaban riendo
y jugando hasta hace nada?
¿No estabais riendo y jugando
hace un segundo?
Vocês estavam brincando
e rindo até agora a pouco!
Вы же только что дружно
играли! Что случилось?