Performances · TREASURE Era
Seonghwa — 'Cleaning King' Segment (Weekly Idol)
An individual Weekly Idol segment featuring Seonghwa in a cleaning-themed game ("청소왕 성화," "Cleaning King Seonghwa"), from EP.429, which aired October 16, 2019.
Official Sources
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Era Context
TREASURE Era · 2018 – 2019
The debut chapter. Seonghwa steps forward as a founding member of ATEEZ, establishing his stage presence and vocal identity across the group's earliest title tracks, showcases, and early international promotions.