Returning Student: Straight-A, But F in Love

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Kwon Hyeok-soo

Kwon Hyeok-soo

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Joo Hyun-young

Joo Hyun-young

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Kim Won-hoon

Kim Won-hoon

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Yim So-yun

Lim So-yoon

Kim Min-kyo

Kim Min-kyo

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Jung Yi-Rang

Jung Yi-rang

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Min Ka-rin

Hyeok-soo's first love

Park Chul-min

Professor

Lee Jong-hyuk

Lee Jong-hyuk

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Zico

Man on blind date