DXYB-021 Tensai Doriru Acme Kyuukai: The Fifty Roads Sister Avenged by Her Stepmother… Incest, Mature Woman, Insult, Incest, Close Relative Romance, Baby Entertainment

I never thought it would come to this… The stepmother I loved turned out to be a wicked woman with a golden head. Despite having no blood relation, our relationship deteriorated until the day I could no longer tolerate her. The wicked stepmother, working as a debt collector, forces her real younger brother into a revenge scheme! Enduring relentless, merciless torment and prolonged humiliation, the sister is driven to the brink—her secret soaked in shame and agony. Finally, she breaks down laughing under the brutal drill punishment.