Min Jee’s day began at six when she woke up because of Youngjae’s alarm clock. The night before, she slept in his room to feel the solace of his blanket. His scent was all over his bedroom like he was around. It made her feel safe. She blamed herself for what happened, and guilt was devouring her. Min Jee described the accomplice, and the cops created a sketch which they distributed to the people.

Min Jee jolted after receiving a text message from an unknown number that said, “If you want to know the truth, come and find me. Bring the police, and I’ll make sure your brother will never...