Secret Manual: Overflowing with Honey - The Awakening of a Certain Noblewoman - Saeko Matsushita - SSPD-144

Reiko and Shunsuke met through an arranged marriage and lived happily ever after. However, the maid Shino had loved Shunsuke before Reiko married into the family, and in an attempt to ruin their relationship, she instigated the gardener Sanada to sleep with Reiko. Reiko, experiencing her first time being forced by a man, was deeply shaken.