Official Content · TREASURE Era
Group Debut — TREASURE EP.1: All to Zero
Seonghwa debuts as a member of ATEEZ with the release of the group's first EP.
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.
Related Entries
Debut Showcase — First Live Stage
Seonghwa's first live performance as part of ATEEZ, presented at the group's official debut showcase, held October 24, 2018 at 8:00 PM at Yes24 Live Hall — the same day as the group's debut EP release.