A clumsy high-school girl - Oh Ha-ni - is at the bottom of her class, and she has had a crush on a popular genius, Baek Seung-Jo, ever since she first laid eyes on him.
as Beak Seung Jo
as Oh Ha-ni
as Bong Joon-gu
as Yoon He Ra
as Hwang Geum-hee
as Baek Soo-chang
as Baek Eun-jo
as Oh Ki-dong
as Jung Joo-ri
as Dokgo Min-ah
as Chris
as Hong Jang-mi
as Cameo
