Dark Gathering Vol 11

Dark Gathering by Kenichi Kondo. A Horror manga rated Older Teen, published in English by Viz Media.

College student Keitaro Gentoga is a magnet for evil spirits. When he becomes the tutor of Yayoi, a young genius obsessed with tracking down the ghost that took her mother, he's dragged straight back into the supernatural world he's been trying to escape. A genuinely creepy horror series.