[Reducing Mosaic]JUX-202 The stepmother who made me swear allegiance to her son ~ To gain the approval of my husband's family, I was toyed with. ~ Hisayo Nanami

Hisae accepted a passionate courtship and became a full-time housewife. Her husband is kind, but his frequent business trips lead to a life of missed connections, which is her source of worry. Additionally, her brother Shuuichi stubbornly rejects Hisae and picks fights with her at every opportunity. The only solace in Hisae's heart comes from her younger brother Kazuhiko accepting her. However, one night, after taking a bath and returning to her room, she found Kazuhiko rummaging through her underwear. His unexpected behavior troubled Hisae, but that was not all…