The Only One

※ This work may contain coercive and unpleasant content that may be divisive among readers, so please consider this before purchasing. [Synopsis] Cha Jin-seo, the adopted son of Korea's leading conglomerate. Unlike the biological son, Cha Jeong-han, he grew up as a thorn in the family's side. When Chairman Cha's interview to revamp the company's image reveals that Jin-seo is an adopted son, Jin-seo becomes the subject of all sorts of gossip. Thanks to his senior, Ha-jun, who helps him at that time, Jin-seo experiences happiness for the first time. Jin-seo promises to live with Ha-jun and tries to become independent from his family. However, he is unaware of Jeong-han's abnormal obsession a...