Foreign exchange student Lulu Chu gets her report card where she realizes her grades are not doing too good, so she gets home and starts dancing in hopes of relieving some of her stress. Suddenly she notices that her classmate is spying on her through the window, but when she confronts him, he offers to tutor her so she can get her grades up. She agrees and when she starts understanding chemistry for the first time, she can’t help but thank him in a very special way…..