The girl's character is all over the place and the chapter's pacing was terrible and the male love interest is bland and the author didn't bother setting up any plot points for future chapters making it feel like a bad one shot.
Followed and favorited.
This is such a well crafted psychological manga, the main character's dip into insanity is so well done. It shows a perfect representation of addiction, if you replace Yuri with a drug you can get a clear image of someone falling into drug addiction.
If you think about the demon as her...