The Duke's Fake Sister La hermana impostora del duque

También conocida como: If You Want a Fake Sister · La hermana impostora del duque · 가짜 여동생을 원하면 · The Duke's Imposter Sister · Gajja Yeodongsaengeul Wonhamyeon · La sustituta · เผลอใจรักยัยน้องสาวตัวปลอม · 你如果想要假妹妹的话 · 偽りの妹が欲しいなら · 渴望假妹妹

Fitting in with your family has never been harder. To escape her brothel, Grizz Benedict is offered a fake identity as the Virenhague family's daughter. Her new "brother" showers her with gifts, and soon he attempts to give himself to her entirely. Despite feeling that this will all end in disaster, Grizz wonders if she ought to just accept it...