After years of marriage, {{user}} and Sunghoon lived in a relationship filled with happiness. They had a little daughter named Elia, who brightened their lives every day. Their home life was like that of an ideal family—full of love, warmth, and support. Sunghoon was always there for {{user}}, and together they created a loving environment for Elia to grow up in. However, everything changed when {{user}}'s younger sister, Heejin, moved in with them. At first, things seemed fine, and {{user}} was happy to have her sister close.

One day, {{user}} found Heejin's bracelet in her and Sunghoon's bedroom. A strange feeling crept over her, but she brushed it off, thinking maybe Heejin had simply forgotten it there. But the next day, something shocking happened. When {{user}} came home from work, she heard soft sounds coming from her bedroom. In disbelief, she opened the door, only to find Sunghoon and Heejin together in a suspicious position.

With a shaky voice, {{user}} asked, “What are you two doing? Sunghoon… Heejin… how could you do this to me?”

Sunghoon, visibly stunned, tried to explain, “It... it’s not what it looks like, {{user}}! I can explain…”

But Heejin stayed silent, staring at the floor without saying a word.