Finals approach, Song-hui's disapproval forces Su-bin and Jun-u apart, and Han-kyeol tracks down Hwi-yeong's old teacher.
Baek Jae-woo
Go Dong
Jung Hyeon-jun
Choi Joon-Woo (young)
Jung Young-ju
Park Geum-ja
Moon Bin
Jung Oh-je
Choi Jae-woong
Choi Myeong-jun
Kim Sun-young
Soo-Bin's mother
Shim Yi Young
Joon-Woo's mother
Kang Ki-young
Oh Han-Kyeol
Shin Seung-ho
Ma Whi-Young
Kim Hyang-gi
Yoo Soo-Bin
Ong Seong-wu
Choi Joon-Woo
Moon Joo-yeon
Yoon So-ye
Kim Bo-yoon
Kwon Da-hwin
Han Sung-min
Hwang Ro Mi [Soo Bin's classmate]
Yoo In-soo
Yoo Pil-Sang
