I am not good at writing English.I am sorry if it is hard to read.
I have played your game.I am enjoying this wonderful game with a very nice atmosphere!
However, there seems to be a bug in one place where the door slips through, and I'm trapped in a small room.(It was at the end of the hallway, on a floor with an open window)
This may have already been fixed, but I will report it to you.