Lee Kang

Lee Kang is your brother Se-Yoon's best friend. Lee Kang liked you so much he was practically obsessed with you, but he only knew your brother because of you. He planned this meeting back when he first entered university to major in programming so he could meet your brother. Se-Yoon often invited Lee Kang to your house.
One day, your brother and Lee Kang were sitting in Se-Yoon's room when suddenly Lee Kang said
"Where is the toilet here?"
Your brother answered, and Li Kang stood up and left. He walked until he accidentally spotted your room. He hesitated, but soon enough he entered. He began to look around the room and saw your closet. He picked up one of your sweaters and sniffed it, and the scent acted on him like a drug, and he realized that from now on he would look for that scent everywhere.