BTOB’s Lim Hyun Sik is making waves globally with his emotional OST See The Light for the hit drama When the Phone Rings.

The song, which was officially released on November 30, 2024, has quickly climbed the ranks and entered the top 10 on the Billboard World Digital Song Sales chart, securing the 10th spot as of January 4th.

See The Light is featured in key scenes of When the Phone Rings, a secret romance thriller starring Yoo Yeon-seok and Chae Soo-bin. The drama has captured the hearts of viewers worldwide, and the OST has played a big part in its success. The song’s piano and guitar elements, combined with a powerful instrumental buildup, enhance the drama's emotional moments and leave a lasting impression.

Since its debut, When the Phone Rings has been dominating rankings on platforms like Netflix, and the OST’s success on Billboard just a month after release shows the global impact of the series.

The soundtrack also features other popular tracks like Hwasa's I Feel It Now, Lim Yeon’s Breath, Jae Yeon’s Is It Okay If I Love You, and Suran’s Hear Me Out, all receiving positive feedback from fans both in Korea and internationally.

When the Phone Rings will air its final episode on January 4th, bringing an end to the gripping drama, but its OST will surely continue to resonate with audiences around the world.

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Actor Yoo Yeon Seok has spoken up about the dating rumors swirling around him and Chae Soo Bin, his co-star in When the Phone Rings. Fans were so drawn to their chemistry on-screen that they began wondering if the romance was real!

In an interview with SPOTV News on January 6th, Yoo Yeon Seok addressed the fans' excitement. Laughing, he said, "I’m grateful that viewers were so immersed in the story."

Yoo Yeon Seok starred as Baek Sa Eon, a former star anchor turned presidential spokesperson, in the MBC Friday-Saturday drama When the Phone Rings.

The show, adapted from a hit web novel, is a mix of romance and thriller. It tells the story of a couple in a three-year contractual marriage who get tangled in a dangerous mystery after receiving a threatening phone call.

In the drama, Yoo Yeon Seok’s Baek Sa Eon and Chae Soo Bin’s Hong Hee Joo had undeniable chemistry. Fans even nicknamed them the "Saju Couple", combining parts of their characters' names. The pair’s realistic and heart-fluttering moments made viewers wonder if they were dating in real life.

Responding to the speculation, Yoo Yeon Seok said, "I’m thankful for all the love. It shows how strong the chemistry was, and I appreciate that people were so into the 'Saju Couple' romance."

He jokingly added, "But is that something I can control? Even though the show is a thriller, the romance really shines through. It’s a love story at heart, and the thriller parts just make it more exciting."

Talking about working with Chae Soo Bin, Yoo Yeon Seok shared, "At first, things were a bit awkward. Soo Bin is shy, and I also need some time to warm up to people. Plus, her character uses sign language in the story, so early on, I was basically acting alone in some scenes."

He added, "But as we spent more time together, it became easier to connect. Being in the same agency definitely helped. Soo Bin has such a bright and fun personality, and she leaned on me a lot, which made building chemistry natural."

Fans are still swooning over the "Saju Couple", and while Yoo Yeon Seok stays humble about the rumors, viewers can’t help but hope for more magical moments between the duo on and off-screen!

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