Friendly Rivalry

“Friendly Rivalry” (native title: “선의의 경쟁”) is a 2025 South Korean teen mystery‑thriller based on the hit webtoon “Friendly Competition” by Song Chae‑yoon and Shim Jae‑young.

Plot Synopsis

Chung Su‑bin stars as Woo Seul‑gi, a transfer student from an orphanage entering Chaehwa Girls' High, a hyper‑competitive elite school.

She draws the attention of Yoo Je‑yi (played by Lee Hye‑ri), the school’s top student – sparking a friendship that spirals into obsession and psychological games.

Layers include a dark mystery: Seul‑gi’s father was involved in creating the national college entrance exam (CSAT) and died under suspicious circumstances.

Cast & Characters

Main Cast

• Chung Su‑bin as Woo Seul‑gi.
• Lee Hye‑ri as Yoo Je‑yi.

Reception

Record‑breaking premiere

Topped U+ Mobile TV viewership charts within 24 hours of airing.

Critical Observations

Praised for its psychological depth and intense aura, the show’s GL (girl‑love) narrative has been described as “messy, aching, and raw”.

However, some viewers felt the plot became rushed and fragmented, leaving threads unresolved and seeking stronger emotional closure.

Netflix success

Debuted at #9 in global non‑English TV charts with over 1.1 million views; top 10 in 7 countries, including South Korea, Singapore, and Vietnam.

Fun Facts & Highlights

Controversies & Buzz

A teaser featuring an uncensored same‑sex kiss between the two leads drew significant attention and divided fans between applause for representation and backlash for explicitness.

Widely discussed on Reddit: fans praised the chemistry and darker tone, while some critiqued the short runtime, plot pacing, and "queerbaiting" elements.

Where to Watch

Streaming Access

• South Korea: U+ Mobile TV, TVING, Wavve, Watcha, Netflix.
• Japan: Ameba, U-Next, Watcha, Hulu, Rakuten TV, Lemino, J:COM, Telasa, FOD.
• Taiwan: FriDay Video, iQIYI.
• Thailand: Monomax.
• Vietnam: VieON.
• Indonesia: Vidio.
• Globally: Rakuten Viki, Netflix.

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