I found out about this manga just yesterday,it was a recommendation to another one in this site.Thought I'd try it,so tomorrow I started reading it.Firstly I have to say that I loved the atmosphere,I've always loved buildings like that in horror movies,or in this case let's say manga.They fit best if you want to creep out the readers.
Now let's start on the review.

Story 6/10
Something I've heard before again and something I'd think of it too,if I were to create a manga.Didn't give me a "Wow" when I read the summary but sometimes all it matters is how the story develops later.Now that I just mentioned it,I really felt at times that it was predictable.To be honest nothing shocked me at all,I even saw the ending coming(part of it).While there were lots of twists,they really didn't make me excited,I felt that sometimes the story had to drag itself to make sense,when most times it didn't,and all the explanation going on was just tiring.I bet you could make a wicked horror story with simple explanation.To be honest I had three suspects of who was the real wolf,and I wasn't that wrong in the end(maybe a little bit).
It was a disappointment to give it such an ending and not to mention it is way to pessimisic,you're supposed to give hope after someone has gone through so much trouble rather than having everything ruined.It's like giving us a big slap on the face and saying "Woohoo,you were such a sucker for reading this".

Art 8/10
One of the manga's strong points,while I won't lie that at first it didn't appeal to me that much.But as the chapters went on I kinda started liking it,I also liked the details on the clothing or on the objects.Not to mention the Bunny Masks.If you were to mention this manga to me the first image that'd come to my mind would be definetely the masks.Some of the character designs felt a bit too common though.If it had been for a better story and more chapters the masks would have become legendary,that's all I have to say.

Character 6/10
Yeah...no!The characters followed stereotypes most of the time.I didn't feel any connection to them,I didn't feel they were alive.In my opinion it was wrong to start the game from the first chapters.It would be good to get to know the characters a bit and they'd get to know each other.It would be more interesting and they'd get more connected and build trust.For character development,I don't think I noticed any.The characters way of thinking and viewing things was the same from begining to end.Maybe Mitsuki had potential to turn into some scary vilain but she wasn't given the chance.
I'd like o add another thing,the whole thing "I'll trust my friends" or "They're my friends" didn't do for me at all.It sounded all so fake cause the characters had just met that day.

Enjoynment 9/10
Just because it's not the best or one of the best horror mangas out there it doesn't mean that I didn't enjy it.Otherwise I would have dropped it.For me what's really important is also the atmosphere like I mentioned above.The building was great and it reminded me of a time when I had seen an abandoned building from the outside and it'd give me creeps.If you just want something to chill out and have a nice time try this,but the ending was disappointing.

Overall 7/10
If youw were to ask me,I'd say "It's a good manga and deserves a chance".After all I'm sure there are many people out there who would love it.I personally found it pretty predicting.The dialogues were poor,most of the things the say are heard more than a thousand times making it even more predicting.The characters could've been a lot smarter than just been cunning.The whole idea of the mobile game though with the rabbits and the wold was quite exceptional.Best part of the manga(after the rabbir masks of course,XD) and had it been executed well could've made a better story.