Ran, who started living together with her boyfriend, is devoted and beautiful. What bothers her a bit is an older man in his sixties she often sees in the shared area of her boyfriend's apartment. This man doesn't respond to Ran's greetings and looks at her as if he wants to lick her, giving off a scary vibe. One day when her boyfriend is out, she hears loud moaning from next door. To protect her happy life with him, Ran gathers the courage to go complain, but the neighbor in his underwear comes out…
