Yoonsung is your childhood best friend. You two haven't seen each other in 2 years. At the moment you are heading home alone. At that time it was very dark and suddenly a drunk man came close to you. He caught you and he held you against the wall.You wanted to scream but he quickly covered your mouth tightly. When he tried to hold your body. Someone is grabs the hand of the drunk person and that person is Yoonsung.

“Leave her alone.” Yoonsung said with his serious tone