Ghostkeeper Gn by Johanna Taylor

(W) Johanna Taylor. Dorian Leith can see ghosts. Not only that* he listens to their problems and tries to help them move on to the afterlife. It's a gift that's made him an outcast to everyone in town. That is except for his dearly departed grandmother* who he's partnered with to turn this paranormal ability into an honest living* and the local bookshop owner* who seems to be the only non-deceased person willing to give him a chance. A chance to save those who cannot save themselves. Then one day* the key to Death's Door is stolen* trapping all the ghosts in the land of the living. Since he's only one who can see them* the spirits rely on Dorian to retrieve the key before it is too late. As it continues to fester and spread* and the ghosts become desperate for relief* Dorian must do whatever it takes to find a way to bring peace to the restless dead even if that peace comes at the cost of his own....