Last 7 days
Screenshots, achievements, specs, every price change and sale we've seen on Steam, and trading cards.
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100% positive of 31 ยท Positive ยท Live from Steam
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An aquarium where a huge tank called "RONNARIUM" is on display. There is a rumor that if one enters the aquarium at night, he or she will be "divinely bewitched". A girl named "Yocto" hears the rumor and visits the aquarium to confirm the truth.
Live data from Steam, tracked by SteamPlayerBase.
Not tested by Valve yet. Results from Valve's own testing.
Valve hasn't published test details for this game.
What changed on Steam for this game since we started following it: prices and sales, builds, name, release date and review score.
Review score: 100% on 2026-11-01 โ 100% today (31 reviews)
No authorized Steam key store lists this game right now.
Every build released on Steam for this game since we started tracking it, with the developer's patch notes. Updated within minutes of each new build.
Bugs reported by users have been fixed. If you find any bugs or problems in the future, we would appreciate it if you could report them to us. X: https://twitter.com/harunanomiuchi Email: [email protected]
We have updated our game to address the recently disclosed Unity vulnerability (CVE-2025-59489), as announced by Unity Technologies: https://unity.com/ja/security/sept-2025-01Our game was affected by this issue, so we have taken the necessary steps to apply thโฆ