Rin, who lives in Yamanashi Prefecture, has secretly been in love with her father's uncle since she was a child. Her uncle, who lives in the city due to work, hasn't been able to return home for a long time. Despite this, Rin continues to think about him and finds solace in her own fantasies. One day, unable to contain her feelings any longer, she tells her parents that she wants to stay at her uncle's house because she wants to attend a concert by her favorite idol, but doesn't want to spend money on it. She travels alone by train to her uncle's home...
