Atsuko Yashiro, 54-year-old housewife. A mother of one, she is celebrating her 26th year of marriage. Since her first sexual experience at age 24, she has had four partners including her husband. Although her number of partners is limited, she has always cherished each encounter and opportunity. Sex cannot exist with just one person—it changes greatly depending on the partner. When intimacy is deep, filled with mutual care and emotional connection, the mind becomes intensely aroused and reaches ultimate pleasure. Currently, she has almost no sexual activity with her husband, but with the feeling that the next time might be her last chance, she has repeatedly masturbated, longing and waiting. Today is that X day. Let her enjoy wholeheartedly and fully savor the pleasure of a man's cock.