There is a married woman that Satoshi admires. She is Rin, a busty wife who lives in the neighborhood. Satoshi wants to get closer to Rin, so he makes up an excuse to visit her whenever he gets the chance. Today, he goes to see her with a souvenir from his trip in hand, but something seems a bit strange. He presses the intercom, but there is no response, and the front door is unlocked and left open. Thinking that a burglar might have broken in, Satoshi steps inside in a panic, but what catches his eye is Rin's massive breasts and her lewd, melting appearance...