Murakami, who continues to lose in pachinko every day and night, decides to call Deriheru, who specializes in married women, to change his mood. The recommended Miss Deriheru is big tits, beautiful, and has an outstanding style, and she has a strong spirit of service and has no complaints! It was a big hit, but ... Murakami feels uncomfortable as if he had met somewhere. That should be it, Miss Deriheru was a cold-blooded teacher who looked down on Murakami when he was a student. Murakami realizes the true identity of Miss Deriher and begins to move to relieve her long-standing grudge.