Tsukiha, who lives in Hakone, has been secretly in love with her paternal uncle for a long time. Her uncle lives in the city and has not been able to come home for a long time because of his busy work schedule, but she still thinks about him. One day, unable to suppress her faint feelings of love, she comes to her uncle's house in the city after hearing that her favorite singer is having a concert in the area where her uncle lives, and she tells her parents that she will be staying at her uncle's house because she doesn't want to waste the accommodation fee.