My Portal to Another World

After a lot of hard work, I finally found an affordable rental house among many software. During the site visit, everything looked normal, so I signed a lease with the landlord without hesitation. However, on the day I was preparing to move in, an old lady reminded me: "Young man, you'd better move away. No one who rented here before knows where he has gone." I just smiled after hearing this and didn't take it too seriously. However, in the dead of night, I witnessed the sudden appearance of a door... This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.