Yoru to Umi

Synopsis

After transferring to a new high school, Tsukiko Yano finds little to draw her attention—until she discovers her classmate, Aya Utsumi, swimming alone in the pool one evening. The encounter unsettles Tsukiko's ordinary routine, and soon she begins noticing fish drifting through her surroundings, linking her growing fascination with Aya to a strange change in how she experiences the world.