OH MY GIRL’s Arin has officially cemented herself as one of Korea’s most promising young actresses after receiving a Best New Actress nomination at the 5th Blue Dragon Series Awards for her breakout role in Wavve’s original drama S Line.
The finalists for the 5th Blue Dragon Series Awards were recently announced, with Arin securing a nomination in the Best New Actress category thanks to her performance as Hyun-heup in S Line.

In the mystery thriller, Arin plays a high school student gifted and burdened with the ability to see mysterious red lines connecting people. As the emotional center of the story, her character navigates loneliness, hidden secrets, and personal growth while unraveling the drama’s complex narrative. Her restrained yet emotionally layered performance earned widespread praise for anchoring the series despite its intricate supernatural world.
S Line has become a defining project in Arin’s acting journey, showcasing a side of her audiences had never seen before. Known for her bright and cheerful image as a member of OH MY GIRL, Arin underwent a striking transformation for the role. Wearing minimal makeup and relying on subtle facial expressions, quiet dialogue, and understated emotional delivery, she presented a completely different screen presence.

Rather than relying on dramatic displays of emotion, she conveyed Hyun-heup’s inner struggles through nuanced expressions and carefully controlled performances. By the end of the series, many viewers said they no longer saw “idol Arin” but only the character she portrayed.
Despite S Line being her first leading role in an OTT original series, Arin impressed audiences with her natural and stable acting. Following the drama’s release, online communities and social media were filled with positive reactions, including comments such as:
- I completely forgot she was Arin.
- She was Hyun-heup.
- I had no idea she was an idol.
- I thought she was a rookie actress.


The performance helped her move beyond the label of “idol-turned-actress,” with many industry observers describing her as one of Korea’s most exciting emerging acting talents.
Arin’s Blue Dragon Series Awards nomination is viewed as recognition not only of her successful image transformation but also of her potential as a serious actress. It also gives her the opportunity to compete for the first acting award of her career, further establishing herself as one of the industry’s rising stars.
Following the success of S Line, Arin is reportedly in positive discussions to star in the upcoming tvN drama Promoter. After making a strong impression with her breakthrough performance, fans are eager to see what new challenges she takes on as her acting career continues to gain momentum.
Sources: Daum | 뉴스엔

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