Andouble's Yoo Seung-eon, who left a pretty selfie after the first episode

First episode over✨🎤

Yoo Seung-eon, who made his re-debut with Andouble

Title track of 1st Mini Album 'Sequence 01: Curiosity': 'Curiosity'

Seung-eon left a pretty selfie after finishing his first stage performance!