UDTT

UDTT promoting "VIPER" (2026)

UDTT (우당탕탕소녀단; Udangtangtang Sonyeodan) is a Korean pop girl group produced by Yoon Ilsang under SW Entertainment.

Members

• Risako (Leader)
• Koo Hanna (Main Vocal)
• Kwon Yejin (Sub-Vocal, Maknae)
• Han Chaehee (Sub-Vocal)
• Lu Yuting

Former

• Jung Sena

Discography

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UDTT promoting "RETRY" (2024)

Singles

• [2025.04.29] School Rush
• [2026.06.27] VIPER

Digital Singles

• [2024.12.11] RETRY

External Links

• Official Twitter
• Official Facebook
• Official Instagram
• Official TikTok
• Official YouTube