The Eccentric Duchess

It's your typical otome reincarnation story! But the capture targets are gay and our protagonist isn't the brightest… Oh to be reincarnated as Rhiannon Leavitt, otome game heroine living in the lap of luxury with hot guys at her beck and call…if only this weren’t the BL bootleg starring her naive twin brother, Claus! Rhian, a lonely deadbeat in her past life, must use her gamer knowledge and intuition (or lack thereof) to avoid the game's grisly endings and protect the only family she's ever had.

(Source: Tapas)