Seko Otoha

 (世古乙羽) is a Japanese idol and a founding member of RepiDoll. She is also a former member of Runup!!, alliance, and Konyanko.

She joined Konyanko on January 27, 2019, and graduated on February 9, 2020.

She joined Runup!! on February 12, 2020, and withdrew on March 17, 2021.

Profile

 * Hobbies and Special Skills: Dancing.
 * Charm Point: Her smile.

Singles

 * LIFEGAME

Trivia

 * Her younger sister is former Konyanko member and now a fellow RepiDoll member Seko Kohane.
 * She was a runner-up in the Lavender division of Junior Earth Japan 2021.
 * She was crowned as the Grand Prix winner in the Japan Teens Award 2022.