Friendly Rivalry TV Series (2025) – Watch Online, Release Date, Cast, Episodes, Story, Platform, Trailer, Poster, Review

Trailer, Teaser & Videos
Poster & Photos
Friendly Rivalry TV Series Details
Original tile | 선의의 경쟁 |
Also known as | Seonuiui gyeongjaeng, Sŏnŭiŭi kyŏngjaeng |
Based on | Friendly Rivalry by Song Chae-Yoon, Shim Jae-young |
Country | South Korea |
Language | Korean |
Genres | Teen, drama, Mystery, Thriller |
Seasons | 1 |
Episodes | 16 |
Release date | February 10 – March 6, 2025 |
Aired on | Monday, Tuesday, Wednesday, Thursday |
Running time | 30min |
Age rating | 18+ |
Starring | Lee Hye-ri, Chung Su-bin, Kang Hye-won, Oh Woo-ri |
Directed by | Kim Tae-hee |
Written by | Kim Tae-hee, Min Ye-ji |
Music by | Kim Dong-wook |
Production Company | Ylab Plex, Studio X+U |
Original Network | U+ Mobile TV |
Cast & Characters
Main
- Lee Hye-ri as Yoo Jae-i
- Chung Su-bin as Woo Seul-gi
- Kang Hye-won as Joo Ye-ri
- Oh Woo-ri as Choi Kyung
Supporting
- Choi Young-jae as Nam Byeong-jin
- Kim Tae-hoon as Yoo Tae-joon
- Chae Seo-eun as Jo A-ra
- Kim Sang-ji as Kim Bum-soo
- Na Hyun-jin as Goo Chae-ryung
- Han Lee-ie as Lee Si-woo
- Ma Hyeon-ji as Park Byung-hee
- Go Da-hyun as Kim Na-ri
Storyline
Woo Seul Gi, an orphan from a provincial town, moves to Seoul to attend Chaehwa High School, an elite school for the top 1% of students. She struggles to fit in until she meets Yoo Je I, the school’s top student. Yoo Je I is intelligent, wealthy, and aware of her status, and she becomes intrigued by Seul Gi. Their growing connection soon turns into a complex relationship marked by both friendship and obsession.
About Friendly Rivalry TV Series
Friendly Rivalry (Korean: 선의의 경쟁) is a South Korean teen mystery-thriller television series based on the webtoon of the same name by Song Chae-yoon and Shim Jae-young, starring Lee Hye-ri, Chung Su-bin, Kang Hye-won, and Oh Woo-ri.
The series was directed by Kim Tae-hee and co-written by Kim Tae-hee and Min Ye-ji. It was planned by Studio X+U and produced by Ylab Plex and Studio X+U. It is a dramatization of the webtoon of the same name written by Song Chae-yoon, illustrated by Shim Jae-young, and produced by Ylab.
On July 23, 2024, Studio X+U announced that Lee Hye-ri, Chung Su-bin, Kang Hye-won, and Oh Woo-ri would work together to tell the story of high school girls. On July 24, it was stated by Andbut Company that Choi Young-jae had been cast for the series.
Release Date
It was released on U+ Mobile TV from February 10 to March 6, 2025, every Monday to Thursday at 00:00 (KST).
Soundtracks
Part 1
No. | Title | Lyrics | Music | Artist | Length |
---|---|---|---|---|---|
1 | Burn It Down | Park Shin-ae, Jeon Hae-jeong, Lee Gwan-hyung | Lee Kwan-hyung, Jeon Hae-jeong, Park Shin-ae | Kim Ye-ji (Kardi) | 03:34 |
2 | Burn It Down (Inst.) | Lee Kwan-hyung, Jeon Hae-jeong, Park Shin-ae | 03:34 |
Part 2
No. | Title | Lyrics | Music | Artist | Length |
---|---|---|---|---|---|
1 | Eternal Maze | Jung So-hyun | Jung So-hyun, Shin Hye-won, Park Seong-min | Elaine | 3:17 |
2 | Eternal Maze (Inst.) | Jung So-hyun, Shin Hye-won, Park Seong-min | 3:17 |
Part 3
No. | Title | Lyrics | Music | Artist | Length |
---|---|---|---|---|---|
1 | BloodStain | Jayde, Lim So-young, Jo Ho-jin | Jayde, Lim So-young, Jo Ho-jin | Yezi, Yel (H1-Key) | 3:03 |
2 | BloodStain (Inst.) | Jayde, Lim So-young, Jo Ho-jin | 3:03 |
Part 4
No. | Title | Lyrics | Music | Artist | Length |
---|---|---|---|---|---|
1 | PainDrop | Choi Jaegyu, Jeon Haejeong, Lee Gwan-hyeong | Lee Gwan-hyeong, Jeon Haejeong, Choi Jaegyu | Seoyeon, Jiwoo, Yubin, Sohyun (TripleS) | 3:32 |
2 | PainDrop (Inst.) | Lee Gwan-hyeong, Jeon Haejeong, Choi Jaegyu | 3:32 |