After suffering from a stalker, Yoon Ji-gu becomes extremely wary of people. Just in time, a man with a strange sexual desire moved into the neighbor's house...? "Looks like there's a pervert living next door..." In reality, Lee Yeo-woon and Yoon Ji-gu are suspicious neighbors who are full of misunderstandings. In the game, the couple neutaaaa (Lee Yeo-woon) and ji9star. How will the relationship between the two change in and out of the game and reality?