A shy math teacher time-travels back to high school to win his lost love, competing with his younger self for her heart.
Created by Park Ga-yeon
User score
5 votes
Ended
January 8, 2018
1h 0m
1 · 10 episodes
Korean
Lee Jung-shin
Kang Shin-Woo
Seo Ji-hoon
Young Kang Shin-Woo
Lee Yul-eum
Han Ji-Soo
Lee Tae-seon
Shin Joo-Hwan
Cho Lee-hyeon
Baek Na-Hee
Min Do-hee
Jang So-Ra
Lee Joo-hyung
Choo Geun-Deok
Kim Sun-young
Shin-Woo's mother
Park Han-sol
Kim Yun-jeong
Ko Kyu-pil
Mozart student's Head Teacher
Kim Min-seok
Kim Min Seok
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