Series synopsis
Friendly Rivalry, also known as 선의의 경쟁 is a South Korean mystery drama television series that premiered on U+ Mobile TV on February 10, 2025. It ended on March 6, 2025. It was created by Song Chae-yun. It stars Lee Hye-ri, Chung Su-bin, Kang Hye-won and Oh Woo-ri.
A high-teen mystery thriller about a close relationship between teenage girls in a harsher survival competition than entrance examinations.
Premise
A high-teen mystery thriller about a close relationship between teenage girls in a harsher survival competition than entrance examinations.
Premise: The story of us who never learned how to lose.
Cast and characters
Leading cast
- Lee Hye-ri as Yoo Je-yi
- Chung Su-bin as Woo Seul-gi
- Kang Hye-won as Joo Ye-ri
- Oh Woo-ri as Choi Gyeong
- Kim Tae-hun as Yoo Tae-joon
- Chae Seo-eun as Jo Ah-ra
- Choi Young-jae as Nam Byeong-jin
- Kim Sang-ji as Beom-soo
Supporting cast
- Lee Won-jae as Woo Do-hyeok
- Yoo Jung-Rae as Homeroom Teacher
- Kang Jin-ah as Kwon Hee-yoon
- Ma Hyun-ji as Park Byeong-hui
- Choo Ye-jin as Yoo Je-na
- Ha Mheen as Principal
- Lee Na-ra as Joo Ye-ri Mother's
- 서은오 as Kim Shan-young
Guest cast
- Lee Eun-ju as Nun
- Son Young-soon as Flower Seller
- Park Seong-gyoon as Security Guard
- Oh Eun-seo as Young Yoo Je-i
- Gi So-you as Young Yoo Je-na
- Lee Seol-ah as Teenage Yoo Je-na
- Yoon Chae-na as Young Ju Ye-ri
- Yoon Woo-ri as Woman Buying Drugs
- Moon Ki-young as Doctor
Episodes
This series spans 1 season with 16 episodes.
| Season | Episodes | First aired | Last aired |
|---|---|---|---|
| Season 1 | 16 | February 10, 2025 | March 6, 2025 |
| Episode | Title | Air date |
|---|---|---|
| 1 |
Episode 1 After living in a orphanage, Woo Seul-gi transfers to a top-ranking school hoping to find her father - and soon catches the eye of a popular student. |
February 10, 2025 |
| 2 |
Episode 2 Facing a heartbreaking discovery, Seul-gi struggles to adjust to her demanding schoolwork, while her background makes her a target of bullyng. |
February 11, 2025 |
| 3 |
Episode 3 Yu Je-i continues to show kindness towards Seul-gi and invites her to her private study space, drawing the two girls closer together. |
February 12, 2025 |
Production
Release
| Original network/platform | U+ Mobile TV |
|---|---|
| First aired | February 10, 2025 |
| Last aired | March 6, 2025 |
| Status | ended |
| Schedule | Monday, Tuesday, Wednesday, Thursday at 00:00:00 |