The Pulse of K-Entertainment

Seo Youngeun
ArtistWAKEONE Entertainment

Seo Youngeun

Seo Young-eun (서영은), born March 4, 2002, debuted as a founding member of Kep1er (케플러) on January 3, 2022. A vocalist and dancer placed through Mnet's Girls Planet 999, she helped launch the group under WAKEONE Entertainment and CJ ENM following a six-month reality competition.

Over four years, Youngeun contributed to Kep1er's full discography run from First Impact (2022) through TIPI-TAP (2024). Known for her warm, resonant tone and disciplined stage presence, she stood as one of the group's most consistent vocalists across every comeback cycle.

In July 2025, Youngeun went on indefinite hiatus from group activities citing health concerns. Following the conclusion of her contract period, she officially departed Kep1er in March 2026. Youngeun has not made a public statement about future plans, and no new agency affiliation has been announced.

2 articles3 creditsDebut: January 3, 2022South Korean

Gallery

Discography

2024
TIPI-TAPMini Album
MemberKep1er
2024
Kep1going OnAlbum
MemberKep1er
2022
First ImpactMini Album
MemberKep1er

Fans Also Ask

Who is Seo Youngeun?
Seo Young-eun (서영은) is a South Korean singer who debuted as a founding member of Kep1er in January 2022, following her placement through Mnet's Girls Planet 999. She was a vocal member of the group for four years, contributing to every album from First Impact (2022) to TIPI-TAP (2024) before her departure in March 2026.
Why did Seo Youngeun leave Kep1er?
Seo Youngeun went on a health hiatus from Kep1er activities in July 2025. At the conclusion of her contract period, she officially departed the group in March 2026. No further public statement has been issued by her or her management regarding the specific nature of her health concerns or future plans.
What groups was Seo Youngeun a member of?
Seo Youngeun was a member of Kep1er from its debut in January 2022 until March 2026. She was selected as one of the original nine members through Mnet's Girls Planet 999 survival competition. Before Kep1er, she had no other major group debut.
What albums did Seo Youngeun appear on with Kep1er?
Seo Youngeun appeared across all major Kep1er releases from debut, including First Impact (2022), Doublast (2022), troubleshooter (2022), LOVESTRUCK! (2023), Kep1going (2023), and TIPI-TAP (2024), plus special projects. She participated in every album cycle during her four-year tenure with the group.

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