Originally, KTV was a place to sing and dance, and your door was right, which means it's no big problem to open the door and see happiness.
But if KTV is a land of wine and meat, and it's informal (you know what I mean), it's not in line with the straight-to-the-point happiness, and that's not good.
In addition, if KTV stays up all night every night and there is noise, it is easy to form sound, depending on the sound insulation effect of his home and yours.