The Exorcist from Another World

The protagonist's childhood friend died, and later accidentally became a ghost boy, one person and one ghost. From then on, the two embarked on the road of exorcism. With the help of their friends, the group of people solved one ghost after another, and later solved the last big boss in the punishment of world destruction. During this period, the protagonist gained love and friendship! This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.