Regarded as a loser in life, Nan is infatuated with the animation series, Bobita, and lives with his mother and grandpa. One day, Nan meets a girl in the Bobita fan club and has gone out with her for a few times. What the girl wants most is the one and only super expensive Bobita doll, Nan uses the money to bid for the doll. However, he could never expect both the girl and his grandfather end up leaving him. So he picks up the knife.