Yukari spends her days playing alone because her husband is busy with work.As she comforts her unsatisfied body today, Hiroki, who lives in the neighborhood, comes over with a travel souvenir in hand.Hiroki, who was concerned about Yukari not locking the door despite her carelessness, came to call out to her, and what he saw in his eyes was Yukari's lewd behavior.In order to calm Hiroki, who was in a panic due to her unexpected situation, Yukari immediately approaches him with her breasts. ``If you'll keep it a secret...I'll have a deeper relationship with you as a neighbor.'' With her big tits bouncing and swaying, she quickly moves from being just a neighbor to a man and a woman.