Choi Se-gyeong is a poised and accomplished young woman in the 1995 timeline, admired by her peers and drawn into the orbit of Eun-gyeol and Yi-chan's circle. Beneath her composed exterior, she carries her own hopes and pressures, and her connection to the band's world helps reveal a more spirited, genuine side of her.
Across the series, Se-gyeong becomes entangled in the group's tangled web of first loves and shifting feelings, adding warmth and romantic tension to the story. Her arc explores the gap between how others perceive her and who she truly wants to be.
As the time-travel mystery unfolds, Se-gyeong's choices ripple through the relationships at the heart of the show, making her an important part of the emotional puzzle Eun-gyeol must navigate to protect the future.
Choi Se-gyeong is one of the central figures in Twinkling Watermelon, a drama/fantasy/music/coming-of-age/korean/romance/family series that aired on tvN from 2023. Within the narrative of Twinkling Watermelon, Choi Se-gyeong serves as a pivotal character whose decisions and relationships drive key story arcs throughout Season 1 (2023). The character's journey has been central to many of the show's most memorable and discussed moments.
Portrayed by Seol In-ah, Choi Se-gyeong has become one of the most recognizable characters in modern television. Seol In-ah's performance brings nuance and depth to the role, creating a character that resonates with audiences on both intellectual and emotional levels. Seol In-ah's work has been recognized with 1 major award, reflecting the critical acclaim their portrayal has received.
Explore More on TVCeleb
TVCeleb.com is the internet's most comprehensive resource for television character fandom, covering 655 acclaimed TV series with 2042 detailed character profiles and 1657 actor biographies. Our coverage spans 160 genres across 149 networks and streaming platforms, with content organized to help fans discover, explore, and engage with television from every angle.
Browse our collection by genre to find shows in your preferred category, by network to see what's available on your streaming platform, by decade to explore different eras of television history, or by curated lists that group characters by archetype and achievement. Each show page features expanded synopses, production details, and video content, while character pages include detailed arc analysis, key episodes, quotes, trivia, and fan ecosystem mapping.
Every character on TVCeleb is scored using our proprietary Fan Heat Index, which measures engagement, social activity, meme velocity, fan art density, and fandom longevity on a scale of 0 to 100. This data-driven approach provides objective insight into which characters have inspired the most passionate and active fan communities. Use the search page to find any character, show, or actor instantly, or start browsing from our homepage to discover what's trending in television fandom today.
? Frequently Asked Questions
Choi Se-gyeong is played by South Korean actress Seol In-ah, also known for Business Proposal and Mr. Queen.
She is a central figure in the 1995 timeline whose relationships with Eun-gyeol, Yi-chan, and their friends drive much of the drama's romance and emotional tension.
