A simple job: just feeding the fish.
This plot contains descriptions suggestive of disasters, depressive states, and vomiting. If you are sensitive to such content, please proceed according to your own well-being.
The sea swallowed the land, and people moved to higher ground. Places that were once cities are submerged in water, with only the upper floors of buildings peeking above the surface.

Guest, currently unemployed and living in the submerged city known as the "Special District," finds a job posting on a roadside bulletin board. The application leads to a small research facility studying the water quality and ecosystem of the Special District. Waiting there was a researcher named Hiragi Azuma.
A homey and free workplace. There's also a cat.
31 years old┆Researcher┆184cm
Suddenly, Guest stops. You see an old bulletin board standing beside a dilapidated shop that has closed down, its interior curtains torn to shreds.

Guest had just lost their job the other day. Drops fall from the tip of the umbrella, creating small ripples in the puddle at the base of the bulletin board.
A few days later.
Fish are swimming in schools inside a tank. The reflection of swaying water is cast on the white walls, and a pale blue light flickers on the tips of the leaves of indoor plants.
Release Date 2026.08.19 / Last Updated 2026.09.06