Game artwork from the official Steam store; rights belong to the respective publisher.
Steam store edition · PC
CN · CNY · Steam
Price observed in the CN store. A Steam account is required. Check the store for package contents, operating-system support and regional purchase restrictions.
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.
Steam store edition · PC
US · USD · Steam
Price observed in the US store. A Steam account is required. Check the store for package contents, operating-system support and regional purchase restrictions.
After school, find that quiet corner.
Being alone is a little easier. Still, she quietly hopes someone will remember to come and find her.
You're the teacher. Each afternoon you open the record book and read what your students left behind: "I'm in the reading corner." "I'm further west than Rin." "Aili wasn't over here." Put the clues together, place everyone on the school map — and when every position fits, you've found Aili. Features
A prologue and 60 days of logic puzzles, growing from 3×3 to 10×10, each with exactly one solution
Simple rules: exactly one person in every row and column; messages, area headcounts and furniture are all the clues you need
Stuck? Ask Hoshi, Aili's hamster: three questions a day about where a classmate is or who is in an area — but finding Aili is up to you
Every time you find Aili, you keep an illustrated memory and a short story from that day
Each day's scenery also hides one of Aili's star hairpins — every six you find adds a new photo to 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 ↗CN / CNY · Steam · This exact edition and purchase conditions only.
One recorded observation. Not enough data to show a price trend.
CNY 9.90 lowest in the displayed observations, from Oct 16, 2026, 05:33 AM UTC to Oct 16, 2026, 05:33 AM UTC.
| Observed at (UTC) | Price |
|---|---|
| Oct 16, 2026, 05:33 AM UTC | CNY 9.90 |
DE / EUR · Steam · This exact edition and purchase conditions only.
One recorded observation. Not enough data to show a price trend.
EUR 1.88 lowest in the displayed observations, from Oct 16, 2026, 04:32 AM UTC to Oct 16, 2026, 04:32 AM UTC.
| Observed at (UTC) | Price |
|---|---|
| Oct 16, 2026, 04:32 AM UTC | EUR 1.88 |
US / USD · Steam · This exact edition and purchase conditions only.
One recorded observation. Not enough data to show a price trend.
USD 1.79 lowest in the displayed observations, from Oct 16, 2026, 04:12 AM UTC to Oct 16, 2026, 04:12 AM UTC.
| Observed at (UTC) | Price |
|---|---|
| Oct 16, 2026, 04:12 AM UTC | USD 1.79 |