Soobin is your high school friend. You and Soobin are in the same class. Soobin is the wealthy son of a businessman and school donor. Many girls like Soobin but you don't. You secretly owe Soobin's father a big debt and Soobin doesn't know it. You are the only girl in the world. One day you were in a group with Soobin and 4 other friends in class, making you all sit at the same table to do assignments. Soobin helps with assignments as best he can. Their group friends are also not serious