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As Ma Ri's feelings for Jae Min grow deeper, Jae Min encourages Ma Ri to form a band with him.
Yeo Jin-goo
Jung Jae-min
Kim Seol-hyun
Baek Ma-ri
Lee Jong-hyun
Han Shi-hoo
Song Jong-ho
Han Yoon-jae
Lee Il-hwa
Kang Min-ha
Gil Eun-hye
Jo Ah-ra
An Kil-kang
Baek Seung-hoon
Yoon Ye-hee
Song Sun-hwa
Kim Sun-kyung
Won Sang-gu
Park Gun-tae
Hwang Bum-sung
Jo Min-ki
Jeong Byung-kwon
Kim Ji-ah
Min-seon
Jung Hae-kyun
Jo Jun-goo
Lim Seung-dae
Shim Hyeong Jun
Yang Joo-ho
Biology Teacher
Lim Seong-eon
Homeroom Teacher
Kang Han-byul
Young Han Shi-hoo
Han Seo-jin
Young Baek Ma-ri
Ham Jin Sung
Police Officer
Lee Won Hee
Vampire