Kkeunnael Su Eomneun Gyeolhon

Eun Ji-U, an adopted child of the Tae Young Group, sets out to give everything back to her adoptive mother, Jeon Hye-Ju, who lost everything because of her. To do so, she approaches Kang In-Hyeok, the CEO of Aiter Hotel and a cousin of her ex-boyfriend, who betrayed her and ruined her plan who is also notorious for being a psychopath. Kang In-Hyeok finds himself strangely intrigued by Ji-U’s advances...

(Source: Naver Series, translated)