Mitsuki, the only daughter of a mandarin orange farmer in Wakayama Prefecture, 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 visit his hometown for a long time due to his busy work schedule, but she still thinks about him. One day, unable to suppress her faint feelings of love, she tells her parents that her favorite singer is having a concert in the area where her uncle lives and that she is staying at his house to save on accommodation costs, and so she goes alone to visit her uncle who lives in the city...