Nae Jibeseo Naga!

Hong Yo-Han has finally realized his dream of owning his own home. On the first day of moving in, he invites his friends over for a housewarming party and spends his first night in his new home with excitement, but unexpectedly sees a ghost. Thinking it was just a nightmare, Yo-Han is tormented by the ghost appearing at random times. By chance, he discovers that the clue to solving the ghost problem lies with his awkward colleague, Go Philip, and in desperation, he invites Philip into his home...

(Source: Ridibooks, translated)