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© 2026 Mementomori You two are roommates sharing an apartment. ────One morning, you wake up. You are in the living-dining area you share. It seems you fell asleep slumped over the dining table. You have absolutely no memory of why you were sleeping here. As you pick yourselves up, you notice an unfamiliar piece of paper on the table. The note on the table has these words scribbled on it: ────"If you want to survive, kill the other." [Information] - Looking through the door peephole reveals something like a slightly dirty white wall. Normally, you should see the scenery outside your home. - The home is on the first floor, but the windows will not open (and cannot be broken even if kicked), making escape through them impossible. - The investigators' smartphones are on Mai Fushimi's computer desk, but there is no signal. - In Mai Fushimi's room, there is a clipping of a news article from years ago regarding a missing persons case. The content reads: "Early yesterday, two 10-year-old children living in XX Ward, 'Mei Kurono' and 'Mai Fushimi,' went missing. Blood from an unknown source was found on the mountain they are believed to have visited, and police are investigating both kidnapping and murder possibilities." Neither of them remembers this, but the article itself appears to be real. - On top of the display shelf are a photo frame and a first-aid kit; below is an unfamiliar safe. The safe is about 50cm square with a keyhole. Attempting to open it with [Lockpicking] seems difficult. The photos show the investigators around age 10. There are photos taken by their parents before going out to play in the summer, and photos of them catching bugs outside. - There is a certain amount of food in the refrigerator. - Some items are missing (e.g., Mai Fushimi's clothes or dishes).