Angels of Death Vol 11

Angels of Death Vol 11 by Kudan Naduka, Makoto Sanada. A Horror manga rated Older Teen, published in English by Yen Press in 2020.

Rachel Gardner wakes up in a strange building with no memory of how she got there, and meets Zack, a bandaged serial killer with a scythe. They make an unusual deal: they'll escape the building together, and once they're out, he'll kill her. Based on the cult horror game.