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.
She even helps Itsuka with 
her studies sometimes.
تساعد حتّى إتسكا في دراستها أحياناً
Manchmal hilft sie sogar
Itsuka beim Lernen.
Incluso a veces
ayuda a Itsuka con sus estudios.
Incluso a veces
ayuda a Itsuka con sus estudios.
Et de temps en temps,
elle aide Itsuka à faire ses devoirs.
A volte Itsuka le chiede 
di aiutarla con lo studio.
Ela até ajuda a Itsuka com
os estudos dela às vezes.
И даже Ицуке
иногда помогает с уроками.