Seko Otoha

 (世古乙羽) is a former Japanese idol, a former founding member of RepiDoll, and 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.

She and her sister Kohane graduated from Repidoll on July 16, 2023.

Profile

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

Singles

 * LIFEGAME

Awards

 * Junior Earth Japan 2021 Lavender division - Semi-Grand Prix
 * Japan Teens Award 2022 - Teen Glam Japan 2022 (Grand Prix), Miss Conomi, Miss Airwalk
 * Miss Viviana Japan 2023 - Grand Prix
 * Little & Teen Glam International 2023 - Little Miss Glam Global 2023 (Runner-up), Netizen's Choice Award, Fashionista Award, Congeniality Queen, Super Model Award
 * Royal Escort Grand Prix 2023 - Best Talent and Miss Teen Tourism
 * Kouichi Miss JK Contest 2023 - Grand Prix

Trivia

 * Her younger sister is former Konyanko member and now a fellow RepiDoll member Seko Kohane.