"We're looking for people who don't mind their lives changing right now ! Monthly salary from 150,000 yen *Live-in required"

Having lost his savings and his home, Takahiro was wandering aimlessly when he came across a job offer for a live-in apartment building manager. The condition of employment was "make sure you get along with your neighbors." With nowhere else to go, Takahiro ended up at the apartment building, only to be met by a clearly non-human "neighbor." "This is a story I heard from a friend," the "ghost story" his neighbor tells him every day is fictional, something that never happened in reality. Or so it was supposed to be, but...