[DeepL Translation - needs review] Volume 1 Introduction: Mai Nanase is a high school girl who has trouble keeping up with her classmates' views on love. One day, Mai overhears a conversation between her brother and his friend, Mr. Nishino, in the next room. It was... "Your sister... she's so cute," she heard this line from behind a thin wall...! I'm not interested in romance, but when I hear it, I can't help but be aware of it! This is the first volume of a series of stories about these two...
