Mizunoke: Suiiki Kaii Kitan Imayou

Synopsis:

Mizunoke are creatures and entities that manifest near bodies of water. Although numerous have been expelled due to contemporary society's rise, they remain present in the town of Uroko. One day, a girl named Kichi arrives unexpectedly in front of Sayo, a worker at the Mizunoke Eradication Facility. While Kichi insists that she is on a quest to find her lost brother, it appears that there might be deeper motives at play. . .