
2025
11 Episodes
43 min
| Ep 1 | Ep 2 | Ep 3 | Ep 4 | Ep 5 | Ep 6 | Ep 7 | Ep 8 | Ep 9 | Ep 10 | |
|---|---|---|---|---|---|---|---|---|---|---|
| S1 | 8.8 | 8.2 | 8.5 | 8.5 | 7.7 | 8.0 | 8.0 | 8.0 | 8.0 | 8.7 |

Minhyun
Yoon Ga-min

Park Yoon-ho
Lee Hyun-woo

Cha Woo-min
Phi Han-wool

Shin Su-hyun
Lee Ji-woo

Hong Min-gi
Park Geon-yeop

Lee Jong-hyun
Kim Se-hyeon

Han Ji-eun
Lee Han-kyung

Yun Sang-jeong
Choi Hee-won

Gong Do-yu
Lee Jun

Baek Seo-hoo
Ma Min-hwan

Lee Gwang-hee
Jeong Do-hoon

Kim Young-ah
Jeon Mi Hyun

Jeong Jae-seong
vice-principal (Yu-seong Tech)

Joo Yeon-woo
Kim Soon-cheol

Cho Seung-yeon
dean of academic affairs (Yu-seong Tech)

Jin Woo-jin
Kim Gyu-Jin [Disciplinary Committee member]

Choi Ye-chan

Kim Min-ah
Hwang Mi-Hee (Yu-seong Tech)

Lee Dong-Hoon
Seo Yoo-bi

Kim Hwi-gyu
No. 173
A struggling student at Korea's worst high school forms a study group while protecting his classmates with his fighting skills, hoping to overcome academic challenges and secure a spot in college.