Shibou Yuugi de Meshi wo Kuu.

Finding herself in a strange mansion, Yuki wakes up wearing the maid’s outfit. She discovers five other girls dressed up the same. They are all trapped in a ghost mansion filled with dangerous traps like saws, weapons, and deadly locked rooms. All of them have to survive there,e and everyone is scared of it except Yuki. For Yuki, playing death games is her job even though she is just a teenager.