Dead Things by BL Maxwell

Since Bran Tanda started working at the morgue, his life has changed. He’s spent most of his life denying his necromancer abilities, but now he knows there’s no other choice but to embrace it and learn as much as he can about it. No matter how much he hates it.
Jordan Amid is becoming more comfortable being around the dead. But they still overwhelm him and terrify him. The coldness and the heavy emotions he associates with being near a spirit are nearly too much for him to take. But for Bran, he’ll try.
Bran and Jordan soon realize there is more going on than they understand, and even Janis isn’t sure how to handle what she knows is coming for them. Mysterious markings continue to appear and unless they can learn more from the journals Bran finds at his house, there may be no hope for anyone.