I found that some of visitors stuck in beginning of the game at TGS2018.
Check following if you stuck:
- - - - - [1] Check here:

- - - - - [2] You can defeat dog!!

- - - - - [3] Map for dolls, not for jalousies(window)

- - - - - [4] Swing 2 times between zombies attacks
You can attack when zombie inside (hit even if door closed!)

- - - - - [5] Check here to find a map of the mansion(1F, BF)
