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.
Please solve the math problem below to unlock download mirrors for Deaimon: Recipe for Happiness.
Links are proxied and may take a moment to start.