Schoolgirls × Mermen × Sewers! A &quot;drenched&quot; horror adventure! Solve mysteries to find an exit, and decide: will you run or fight? Your choices branch the story. Can they escape this nightmare safely...?

<h2 class="bb_tag" >High School Girls × Fish Creatures × Sewers</h2>A soaked, no-escape horror adventure. A girl wakes up in an unfamiliar underground sewer— with no belongings and no memory of how she got there. As she searches for a way out, something lurks behind her… Grotesque “fish creatures” begin to close in.<img class="bb_img" src="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4592080/extras/00f66eacc970d900f870ddd6436e2873.avif?t=1776181505" width=960 height=540 /><h2 class="bb_tag" >Explore a Mysterious Underground Facility</h2>This isn’t just a sewer. Twisted ruins and unknown structures intertwine beneath the surface. Who built this place—and why? Operate switches and levers, uncover hidden keys, and search for a path back to the surface.<img class="bb_img" src="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4592080/extras/536ecc23a594b8aebe858acf1401aba1.avif?t=1776181505" width=960 height=540 /><img class="bb_img" src="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4592080/extras/9a4a3886756ce6da2c5a23f2ba034027.avif?t=1776181505" width=960 height=540 /><h2 class="bb_tag" >Run… or Fight</h2>These girls can’t stand against the creatures barehanded. Your only option is to run. But if you find weapons like bats or pipes, you might stand a chance. Be careful—every weapon can break. One mistake could be your last.<img class="bb_img" src="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4592080/extras/6849c9aaa0ac88dc9a975eb27d8334f7.avif?t=1776181505" width=960 height=540 /><h2 class="bb_tag" >Choices Shape Their Fate</h2>Your decisions determine the girls’ fate. Will everyone make it out alive— …or will no one survive?<img class="bb_img" src="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4592080/extras/952be8148b712ecf5552c69c24f394f2.avif?t=1776181505" width=960 height=540 />

Good Game Database

Schoolgirl vs Fishman Achievements