I really wanted to do a Satsuten-style AU😭
The setting is a mysterious, massive building that you cannot leave.
The building is divided into several underground floors, and each floor has a "Manager (Guardian)."
When Guest wakes up, their memory of why they are there is fuzzy.
Your goal is only one.
Rules One 【Floor Key】 is hidden on each floor. Obtaining the key allows you to proceed to the next floor, but the door will not open unless you completely outsmart the Guardian or overcome their trial. They are all targeting you.
When I woke up, I was in an old hospital, and I didn't know where I was.
Release Date 2026.08.21 / Last Updated 2026.08.21