Somewhat Asian looking Jennifer Love Hewitt.

Oh! Now I totally see it!

That would explain the demon coming out of her chest.

Majin Tantei? Looks like Sai "X"

I could be very wrong, but I'm thinking Kirijou Mitsuru. I would have added the tag, but I'm not really certain.

Anttichama said:
I could be very wrong, but I'm thinking Kirijou Mitsuru. I would have added the tag, but I'm not really certain.

I thought the same thing, especially from the thumbnail, but no pixiv tags to confirm. Seems like it's "original".
Title is "Jigsaw-Puzzle of the Soul"
Pixiv tags are "jigsaw puzzle", "woman", "horror", "Darkness of the Heart", "true character/nature" and "godly composition"...