Reiko Oda (45 years old) , a married SOD female employee in her 7th year of employment, from the publishing division. "Restrained and toy-*******d", "SEX without making a sound in the office", "Big-dick teasing sex", "Two consecutive blindfolded intense piston-like sex" - her first experience of extreme masochistic play ignites her frustrated body and she experiences the most intense orgasm of her life.