A boy from the countryside who was introduced to a high-priced apartment in Tokyo as he was told by a real estate agent. In front of the boy who is worried about the terms of the contract, Akari, a wife with a plump hip and a nice ass, who lives next door. The boy is instantly captivated by Akari, which exudes an indescribable charm. At a later date, the boy regrets that he had signed a contract on the spur of the moment, but just thinking about Akari, who lives next door, makes him feel hot in his crotch. And just like that boy, a middle-aged office worker who lives on the other side also harbors evil delusions about his next-door wife, Akari.