Social Media · TREASURE Era
Social Media — Year-End Throwback Photos
Seonghwa's pre-debut throwback photos, posted via ATEEZ's X.
A set of throwback photos from Seonghwa's pre-debut training days posted via ATEEZ's official X account — including his time training in the US, "Operation ATEEZ," Morocco, and "ATEEZ in School" — captioned as a look back on the year.
Official Sources
Photography, video, and audio remain the property of their respective rights holders.
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.