Ryu Sera (류세라; also known as Sera) is a South Korean singer-songwriter and YouTuber. She is a former member of the girl group 9MUSES.


20102014: 9MUSES

On August 12, 2010, she debuted as a member of 9MUSES with the group's first single album "Let's Have A Party".

Following Rana's departure in January 2011, she was appointed as 9MUSES' leader.

On June 23, 2014, Star Empire Entertainment announced Sera's graduation from 9MUSES after four years of activities.[1]

2014–present: YouTuber, solo career

Since 2014, she has been active on YouTube under the name 'Sera Ryu-류 세라'.

She made her solo debuted on August 1, 2015 with her first studio album Serenade.


Studio albums

Digital singles


  • "Good Person OST Part.14" (2016)



Official links

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