A great virgin corruption story, and the fact that the girl is really sexy and stupid was a bonus. Besides for the jarring camera angles from time to time this is a favorite hentai OVA of mine. The turnaround of the dog girl by the end was really great. If the studio ever reads this camera angles are too important to try to switch the POV. Thus would have been the perfect hentai in its genre if it wasn't for the camera.
The main character Slit Mouth Woman design, voice, and slutty mannerisms are really sexy and the basic story suits her. This might have been the best episode if it wasn't for the for the immersion breaking POV switches. If you want to make a girl POV hentai cool but don't play around with one where your avatar is clearly the exorcist. Other than that hope the studio fixes that and make a sequel series with more sexy girls that is implied at the end.
A really good basic premise and Hanako has very sexy design. Her big tits in a schoolgirl costume was very sexy. Besides some of the bad camera angles this is very good mind breaking hentai. There is some bondage and chasing along with the repeated rapes. The fact the series doesn't take itself seriously is good sexy fun. Hanako's mind break towards the end was great.