Cast

Jang Hyun-sung

Sang-hyun

Choi Jung-won

Eun-a

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Oh Yoo-jin

Soo-a

Choi Min-cheol

Park Dong-sik

Hwang Jeong-min

Kim Mi-hye

Jung Da-bin

Park So-won

Kang Shin-chul

Homeroom teacher

Choi Hee-seo

Math teacher

Crew

Min Byung-hun

Writer (Writing)

Min Byung-hun

Director (Directing)

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Jeong Yong-jin

Original Music Composer (Sound)

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Yang Jeong-won

Sound Supervisor (Sound)