Friendly Rivalry
The story of us who never learned how to lose.
2025 – 20251 season · 16 episodes8.7/10(125 TMDB votes)
MysteryDrama
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A high-teen mystery thriller about a close relationship between teenage girls in a harsher survival competition than entrance examinations.
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Cast
Lee Hye-ri
Yoo Je-yi
Chung Su-bin
Woo Seul-gi
Kang Hye-won
Joo Ye-ri
Oh Woo-ri
Choi Gyeong
Kim Tae-hun
Yoo Tae-joon
Chae Seo-eun
Jo Ah-ra
Choi Young-jae
Nam Byeong-jin
Kim Sang-ji
Beom-soo
Lee Won-jae
Woo Do-hyeok
Yoo Jung-Rae
Homeroom Teacher
Kang Jin-ah
Kwon Hee-yoon
Ma Hyun-ji
Park Byeong-hui
Choo Ye-jin
Yoo Je-na
Ha Min
Principal
Lee Na-ra
Joo Ye-ri Mother's