After Period

Iori from Ghost Cleaning arrived at an empty apartment for an exorcism. Fully expecting no ghosts, he opened the door only to see Yukihisa: a ghost totally his type! Pretending to ignore him, Iori stayed in the haunted dwelling to perform the exorcism. Afterwards, he partied with the scaredy-cat landlord and got wasted. But Iori has a bad habit of getting horny when he drinks, and he ends up sleeping with Yukihisa. The next morning, he finds himself bound to the ghost...

(Source: Kaiohsha, translated)