She's been married for 21 years. With her only son now an adult, Kyoko has a lot of free time. She thought she didn't get along well with her husband's subordinate... but the casual consideration he showed... The more she thought it was wrong, the more she felt lust deep inside her vagina... His erect penis was clearly different from her husband's... Since she got married, Kyoko's reason had only known her husband's penis, and it was completely powerless...