Due to a misunderstanding by her husband, Reika is kicked out of the house without her wallet and finds herself standing in a park with nowhere to go. A man feels sorry for her and decides to take her in. Fortunately, he is separated from his wife and has a spare room, so he offers her a place to stay. Reika is gradually drawn to the man's sincere and kind behavior, and wanting to be of service to him, she not only helps with housework but also offers her body to him, servicing him to make him happy. A faithful wife indulges in all sorts of infidelity without her husband's knowledge.