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At school, Soo Ho comes back to his class, and Ju Kyung runs into Hye Min who just transferred. Hye Min asks Ju Kyung if they know each other, but Ju Kyung denies and keeps avoiding her at school. Meanwhile, Soo Jin and Se Mi make a deal, and Se Mi shares with Soo Jin the photos of Ju Kyung without makeup on her face.
Mun Ka-young
Lim Ju-kyung
Cha Eun-woo
Lee Su-ho
Hwang In-yeop
Han Seo-jun
Park You-na
Kang Soo-jin
Lim Se-mi
Lim Hee-kyung
Park Ho-san
Lim Jae-pil
Jang Hye-jin
Hong Hyun-suk
Oh Eui-sik
Han Joon-woo
Kim Min-ki
Lim Ju-young
Kang Min-ah
Choi Soo-a
Lee Woo-je
Kim Cho-rong
Yoon Seo-ah
Young Im Hee-kyung
Jeon Hye-won
Park Sae-mi
Yeo Joo-ha
Han Go-woon
Lee Il-jun
Yoo Tae-hoon
Lee Joo-Ahn
Choi Man-shik
Lee Sang-jin
Ahn Hyun-gyu
Kim Hyun-Ji
Kim Si-hyun
Han Yi Young
Ha Ji-young
Jung Jun-ho
Lee Joo-hun
Kim Jung-hak
Mr. Oh
Seo Hye-won
Se-mi's Friend
Kim Ryul-Ha
Kim Ga-young
Oh Yu-jin
Joo Hye-min
Lim Hyun-sung
Comic Store Owner
Ahn So-Rim
Lee Ye-rim
Ahn Sang-woo
Disciplinary Teacher
Kim Byung-choon
Vice-principal
Koh Woo-ri
Selena Lee
Park Sung-Jin
Yoo Gang-hyeon
Kim So-bin
Classmate
Oh Chae-eun
Woo-hyeon's Girlfriend