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You will play SU, a girl from the future who, for some reason, can freely travel through four-dimensional space, entering different times and spaces. You need to gather clues, solve puzzles, and use the collected clues to use deductive reasoning to uncover the mystery of SU's life experience.

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80%5 reviews on Steam
30-Day Trend
—Not enough history yet (since 21 Oct 2026)
Steady at 80% positive since 22 Oct 20265 reviews when we first checked
Steam’s review score each time our store check saw it change, since 21 Oct 2026. How we count