Yeon surpassed veteran actor Song Hye Kyo and South Korean model Lee Sung-Kyung’s follower count.

Jeff Bezos, founder of Amazon and whose Amazon Prime Video is a competitor of Netflix, tweeted in praise of the series on Sunday. “@ReedHastings and Ted Sarandos and the team at @Netflix get it right so often. Their internationalization strategy isn’t easy, and they’re making it work. Impressive and inspiring. (And I can’t wait to watch the show.”