Marital Life Improvement Research Society. For women who do not know the pleasures of sex, it makes them betray their loving husbands with a sense of debauchery and excitement derived from it, making them unable to escape. Unaware of such things, Aza accidentally accesses the HP of the "Marital Life Improvement Research Society." Through skillful guidance and training, she struggles within self-loathing but becomes increasingly engrossed in pleasure...
