With the aid of unexpected friends, a gifted but introverted student confronts bullies and violent foes — unaware of how dangerous his world will become.
Park Ji-hoon
Yeon Si-eun
Choi Hyun-wook
Ahn Su-ho
Hong Kyung
Oh Beom-seok
Ryeoun
Park Hu-min
Choi Min-yeong
Seo Jun-tae
Yoo Su-bin
Choi Hyo-man
Cha Woo-min
Kang Woo-young
Bae Na-ra
Na Baek-jin
