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[Using Live2D, almost full voice] (Voice is only in Japanese)A mystery that begins with a single invitation received from your uncle. A ``mystery'' that happens to someone who was supposed to be an invited guest. Please try to solve it by yourself.

Positive Now
100%9 reviews on Steam
30-Day Trend
—Not enough history yet (since 21 Oct 2026)
Steady at 100% positive since 22 Oct 20269 reviews when we first checked
Steam’s review score each time our store check saw it change, since 21 Oct 2026. How we count