The Kurokawas, who lived in the neighborhood, were Kayama's ideal people. - Kayama, on the other hand, has run away from his wife and lives alone. - However, when he happened to visit a soap, it was Kurokawa's wife, Sumire, who greeted Kayama with three fingers crossed. - While she is confused, Kayama gets excited and says, ``I'll keep it a secret!!'' and lets her put his cock in her mouth... - From that day on, Sumire is confused by Kayama, who has become a regular customer, but she continues to be taught the joy of being a woman by Kayama's big cock. - However, one day when Kayama visits the store...