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For other people known as 'Sera', see Sera.

Ryu Sera (류세라; or simply Sera) is a South Korean singer-songwriter and YouTuber under her own independent agency OCTO. She is a former member of the girl group 9MUSES.

She made her solo debut on August 1, 2015 with the studio album Serenade.

Career[]

2010–2014: 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]

2014–2015: YouTuber, solo debut with Serenade[]

Since 2014, she has been active as a YouTuber.

On August 1, 2015, she made her solo debut with her first studio album Serenade.

2018: New agency[]

On March 26, 2018, it was reported that Sera had established her one-woman agency, OCTO.[2]

2020: Miss Back[]

On September 3, 2020, Sera was announced as a participant in the MBN variety show Miss Back, which will follow "a group of female singers who made their debut in idol groups but are slowly being forgotten in the minds of the public".[3] The show's first episode premiered on October 8.

Personal life[]

Relationship[]

On January 31, 2025, Sera shared that she will be getting married to her non-celebrity boyfriend.[4] She announced she had gotten married recently in Gangnam, Seoul, on April 23, 2025.[5]

Discography[]

Studio albums[]

EPs[]

Digital singles[]

Features[]

  • Sujin - "Signs to Break Up" (2021)

OSTs[]

  • "Good Person OST Part.14" ("하루하루") (2016)
  • "Miss Back OST Part.3" ("Up & Down (오르락 내리락)") (2020)
  • "Miss Back OST Part.5" ("Cat's Rain (고양이비)", "Winter Fantasy") (2020)
  • "Miss Back OST Part.6" ("Lean On Me (기대)") (2020)
  • "Miss Back OST Part.9" ("Finale", "We Are The One") (2021)
  • "New Love And War Part.5" ("Loving You") (2021)
  • "Sing A Song About Me OST Part.2" ("Twenty-Seven (스물일곱)")

Filmography[]

Variety shows[]

  • Miss Back (MBN, 2020) - cast member

Producing and writing credits[]

  • All credits adapted from KOMCA, unless stated.[6]
Artist Song Album Type
2018
Ryu Sera "Walk With Me" Stay Real Writing
Composing
"Bloom"
2020
Ryu Sera, Raina, DALsooobin, Gayoung, Soyul, Nada, Jeong Yu Jin "Winter Fantasy" Miss Back OST Writing
2023
Ryu Sera "Breathing" No Thanks Composing
"Jungle" Writing
Composing
"Mirror (거울)"
"Not a song" Composing
"Burger ate Pizza (버거싶다)" Vertical Writing
"Gethsemane" Writing
Composing
"I (아이)"
"Waiting (기다리는 일)"

Gallery[]

References[]

Official links[]