ROYD-301 — Parasitic Ntr. Ever Since My Scumbag, Slutty Older Brother Came To My House... He's Been Secretly Forcibly Impregnating And Training My G-Cup Fiancée Every Single Day. She's Fallen Into The Pleasure Of Adulterous Sex... Chizaki China

A happy cohabitation with his fiancée, to whom he had promised to marry. But it all began to crumble when his worthless older brother infiltrated the family... His fiancée hated his sudden visits, but she couldn't resist his manipulative words and began to find pleasure in them. The once innocent girl became more and more corrupted, body and soul, day by day—a nightmare cohabitation record swirling with depravity and desire.