Sordid Secret Lives (Hontou ni Atta) (Series)

Motomoura Touko has been a housewife for six years, until now still has no children and his husband works as an employee. Since childhood, Motomoura had seen her own mother cheating at night. Since then it was, her began to experience physical changes and easily aroused into adulthood. Until finally he found the right guy... (Source: Translated and Edited from Nekopoi)