In my opinion, three episodes for all the stories represented in the manga are very few and, in fact, not all are shown, but only the first (in the first episode), the fifth (in the second episode) and the last (always in the second episode); I don't understand this choice. However, the characters and the shots in the different scenes are very faithful to the manga. The animations of the second episode felt a bit static to me. Another curious thing is the choice of the title of the last episode, "Episode 2 Bonus", a continuation of the first story, which I did not mind because it ismy favorite; for me, they could also use it to tell another story or two.
In conclusion, it is a very particular hentai horror, which alternates "mixed" stories with purely horror stories. The designs are done very well.