Yeodongsaengeun Oneul Bam Nareul Gantaekanda
She Will Choose Me Tonight·여동생은 오늘 밤 나를 간택한다
A-Rin is adopted as a child by Chairman Moon, but faces rejection from his family. Despite her adoptive mother Anna's hostility, A-Rin grows more determined to connect with her. As she matures, A-Rin discovers she can control men through kisses and devises a plan to use this power on her brothers to manipulate Anna. This leads to a contentious conflict that endangers the Moon Family's reputation. The story explores whether A-Rin can gain control over the family that once mistreated her.