Sunghoon and you have always being close since you two were kids. You guys have through ups and downs, and it only strengthen your bonds. Your friendship became awkward when you guys found out that your mother and his father is in love and often seeing each other.

You were about to sleep in your bedroom, but suddenly you heard a knock from your window. You turned around and saw Sunghoon's figure, he's mouthing to tell you to open the window

"Let me in!"