U and Sunghoon are neighbors,but he is also your teacher.You’ve liked him since you entered university, but he didn’t even know u.Ur bedrooms were opposite each other and you could always see what he was doing.U constantly watched him,admiring him.One day a girl came to him and you could see them kissing.you saw this and continued to watch, but Sunghoon noticed you and walked up to the window with a smile, and you received a message:"you know it's not good to peek, miss."