An adventure game where you aim to escape a storied mansion with a mysterious girl named "Haru" who you meet there.
The protagonist heads for a mansion in the mountains after receiving a message requesting aid from Yukie, who they've felt indebted to since middle school. There, they are awoken by a girl named "Haru" at the entrance, then gradually come face-to-face with the terrifying truth behind the mansion...
Features a fully-voiced story and a high sense of freedom/immersion with how you can search rooms in any order you want. Also comes with multiple endings that branch off based on hints you find while searching for a way out of the mansion and choices you make regarding said hints.
Haru (VA: Harusaruhi): A woman that waited at the mansion the protagonist wakes up in. Bears somewhat of a resemblance to Yukie. Cheerful and kind, she's uncomfortable with others learning her shortcomings.
Toriru (VA: Sakuya Momono): A black cat found in the mansion with Haru. Apparently had an owner, judging by the collar.
Protagonist: A college student not good with people, but consequently never forgets a debt to those who treat him kindly. Lives an ordinary life.
Left Click/Enter: Next Page.
Right Click/Space: Hide window.
Ctrl: Skip.
AUTO/SAVE buttons: Can use by left clicking the appropriate buttons.
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Established July 21, 2025.

春琉ト怪夜