From laptop diagram + color wheel:
What makes this "Final" edition stand out is the interconnectedness of its puzzles. In lesser games, you solve a puzzle, get a key, open a drawer, and move on. Here, solving the initial puzzle (aligning the cuckoo clock's weights) doesn't give you an item—it changes the position of the shadow on the desk, which reveals a hidden combination written in invisible ink.
Blue key opens the (top part). Inside: a small box with a 4-digit number lock. Hint nearby: a sticky note with “3:15” and “mirror” written.
The transition to the "Final" iteration of the game brought about polished graphics and a more cohesive ending. In this version, the act of escaping isn't just about unlocking a door; it’s a thematic resolution. The "Study Room Girl" becomes a symbol of the broader "trapped girl" trope in Japanese indie games, which often blends mystery with a touch of melancholy. 4. Legacy in the Indie Scene
If you are currently playing and stuck, applying standard escape room logic can help: Exhaustive Search