Game artwork from the official Steam store; rights belong to the respective publisher.
Steam store edition · PC
DE · EUR · Steam
Price observed in the DE store. A Steam account is required. Check the store for package contents, operating-system support and regional purchase restrictions.
A new visual novel game co-produced by "The Fruit of Grisaia" creators Frontwing and Makura, written by "If My Heart Had Wings"'s Asuta Konno. STORY
In the near future, a sudden and unexplained sea rise has left much of human civilization underwater.
Ikaruga Natsuki, a boy who lost his mother and his leg in an accident some years earlier, returns disillusioned from a harsh life in the big city to find his old countryside home half-swallowed by the sea.
Left without a family, all he has to his name is the ship and submarine left to him by his oceanologist grandmother, and her debts.
His only hope to restore the dreams for the future that he has lost is to take up an opportunity presented to him by the suspicious debt collector Catherine. They set sail to search the sunken ruins of his grandmother's laboratory in order to find a treasure rumor says she left there.
But what they find is not riches or jewels; it is a strange girl lying asleep in a coffin at the bottom of the…
Official store excerpt · Description source ↗
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Included content and base-game requirements have not been verified in the published record. Check the linked product source before buying.
Play on: PCCheck product contents and requirements ↗DE / EUR · Steam · This exact edition and purchase conditions only.
One recorded observation. Not enough data to show a price trend.
EUR 7.05 lowest in the displayed observations, from Oct 17, 2026, 11:23 AM UTC to Oct 17, 2026, 11:23 AM UTC.
| Observed at (UTC) | Price |
|---|---|
| Oct 17, 2026, 11:23 AM UTC | EUR 7.05 |