When the Phone Rings stars Yoo Yeon Seok and Chae Soo Bin's Han River Cat Challenge goes viral, fans react

When the Phone Rings co-stars Yoo Yeon Seok and Chae Soo Bin recently had fans going aww after they dropped a cutes video of themselves participating in the Han River Cat Challenge.?The on-screen sparks between the pair have apparently translated into an impeccable off-screen chemistry, as their adorable behind-the-scene antics are now electrifying fans and building a buzz of anticipation for the next instalments of the show - episodes 9 and 10 can't come soon enough!

Watch: Yoo Yeon Seok and Chae Soo Bin's Han River Cat Challenge

On Tuesday, Yoo Yeon Seok and Chae Soo Bin surprised fans with a heartwarming video of themselves taking on the Han River Cat Challenge - with a special twist. The duo performed the popular trend in sign language, showcasing their playful and creative chemistry. The video, which appears to have been filmed on the set of episode 7, has captured the hearts of fans and highlighted the K-drama pair's charming bonding.

Check out the video below:

How fans reacted to the video

Reacting to the video, one fan wrote, "Finally! The most cutest couple in kdrama land. Saju's chemistry is truly adorable. Want to see you guys together in more dramas please. 12 episodes are just not enough."

"Soobin was too cute to handle. You guys are so cutie pie. Please keep this friendship forever!!!" another noted.?

A third wrote, "The best couple award is yours," while a fourth simply added, "The best couple, the cutest K-drama."

About When the Phone Rings?

The MBC drama is based on the webtoon The Number You Have Dialed by Geon Eomul Nyeo. The plot revolves around the complex relationship between Baek Sa Eon and Hong Hui Ju, who enter into a marriage of convenience to safeguard family ties. However, their lives take a dramatic turn when Hui Ju becomes the victim of a kidnapping, setting off a chain of wild twists and turns and changing the course of their relationship.?

Episodes 9 and 10 of the mystery thriller will be released on MBC Network and Netflix on Friday (December 27) and (December 28), respectively.

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