애간장
Kang Shin-Woo is a math teacher with a good looking appearance. He has not forgotten his first love Han Ji-Soo for the past 10 years. By an accident, he travels to the past when he was a high school student. There, he meets his younger self. Kang Shin-Woo struggles to make the younger Kang Shin-Woo's love come true.
- Zhanri: Comedy, Mystery, Sci-Fi & Fantasy
- Studio: OCN
- Fjalen: time travel, high school, based on comic, romance, teacher, hidden identity
- Cast: Lee Jung-shin, Seo Ji-hoon, Lee Yul-eum, Lee Tae-seon, Cho Lee-hyeon, Min Do-hee
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