Immerse yourself in a nostalgic escape adventure set in a school pool under a starry sky. Experience unforgettable moments of youth in this free 3D escape game. Can you find the key to clear the challenges?

Explore by tapping, move by tapping arrow marks, and zoom in on items by selecting them or using the magnifying glass button. Investigate further by tapping on zoomed-in items and synthesize if possible.

Convenient features include automatic saving as you progress, hints available by tapping the button on the top right, and access to BGM settings and gameplay instructions via the menu button on the top left.