Flowers, jellyfish and refrains.

A first-year high school student and member of the Occult Research Club goes with fellow members to investigate rumors about supernatural beings at a local shrine. There, she unexpectedly runs into a classmate, who says he's investigating mysterious disappearances. Coincidentally, this shrine is the site of an incident from 10 years ago, when she briefly went missing. Curious about why her classmate is researching the place, her actions trigger an unexpected turn of events. Thus begins a supernatural romantic comedy where their feelings intertwine, sparked by the mystery of the disappearances!