I am a big fan of Japanese-style horror as I feel that most Japanese horror games tend to nail the ability to create a really horrifying and creepy mood and atmosphere. This game definitely also nail the ability to create a creepy and horrifying mood and atmosphere where walking through the narrow hallways of the house was nerve-wrecking and extremely uncomfortable.
I liked the appearance of the ghost from time to time to scare the player or creep the player out but I think more could have been done to make the presence of the ghost feel more prominent and more horrifying then having the ghost appear from time to time. The game is really good in making use of the space and darkness to create a really scary atmosphere but it can definitely use more fear factor to increase the fear level of the player as half-way through the game, I felt really comfortable walking around the house. Moreover, I liked the design of the ghost as well.
Other than that, I was actually surprised that the protagonist wasn't trying to exorcise the ghost but to actually break the seal of the house which is really interesting and unexpected for me where I was lost for a short moment as to what I was supposed to.
Thank you for reading my comment and I wish you good luck in your future endeavours. Will be looking forward to the next part of the game if it comes out.