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.
To think you'd go barging 
into someone else's house.
...أن تداهم منزل شخص آخر هكذا
dass du einfach in ein
fremdes Haus geplatzt bist.
que irrumpirías en la casa de alguien.
que has irrumpido en la casa de alguien.
entrare in casa della gente senza preavviso...
chegar entrando na casa de
alguém desse jeito, é meio...
Врываться в чужой дом было чересчур.