Do Ha-na feels good because she got pretty good grades at the mock exam. But Kim Ha-na starts to cry, saying she lost her notebook. The other students assume Do Ha-na stole her notebook since they haven't been getting along recently. Do Ha-na asks Kim Ha-na to deny it for her, but instead Kim Ha-na acts mean to her.
Casts:
Shin Ye-eun, Lee Na-eun, Kim Dong-hee, Choi Bo-min, Shin Seung-ho, Kim Soo-hyun, Ryu Ui-hyun, Kang Min-ah, Ahn Jung-hun, Jo Young-in, Myung Hyung-seo