
2015
16 Episodes
60 min
| Ep 1 | Ep 2 | Ep 3 | Ep 4 | Ep 5 | Ep 6 | Ep 7 | Ep 8 | Ep 9 | |
|---|---|---|---|---|---|---|---|---|---|
| S1 | 9.0 | 9.0 | 8.0 | 8.0 | 8.0 | 8.0 | 8.0 | 9.0 | 9.0 |

Kim Hee-seon
Jo Kang Ja

Ji Hyun-woo
Park Noh Ah

Kim Yoo-jung
Oh Ah Ran

Lim Hyung-jun
Oh Jin Sang

Koh Soo-hee
Han Gong Joo

Kim Seul-gi
Jong Man

Jeon Kuk-hwan
Park Jin Ho

Kang Moon-Young
Do Yoon Hee

Yoon Ye-joo
Jin Yi Kyung

Cha Sun-woo
Hong Sang Tae

Park Soo-young
Wang Jung Hee

Seo Ji-hee
Hwang Min Joo

Choi Ye Seul
Na Do Hee

Kim Tae-hun
Do Jung-woo

Oh Yoon-ah
Joo Ae-yeon

Park Keun-hyong
Kang Soo-chan

Kim Ji-soo
Go Bok-dong

Kim Ji-young
Jo Kang-ja's mother-in-law

Jeong Sin-hye
Lee Hwang Song
When Jo Gang-Ja attended high school, she was notorious for fighting. She gave birth to her daughter A-Ran in her late teens and became more responsible. Her daughter A-Ran is now a high school student, but A-Ran is bullied at school. Jo Gang-Ja decides to go back to high school to protect her daughter. Jo Gang-Ja becomes a high school student again.