One day, Kou, a greengrocer, is approached by Shiori, a beautiful wife who is popular in the shopping district, for a sperm donation. He suggests the method be "sex". Shiori accepts, but becomes immersed in a world she has never known before. When he suggests this to Kasumi, who has the same problem, she decides to try inseminating him with sex. She gradually becomes addicted to the pure pleasure of a younger man's cock...
