Variety · ZERO: FEVER Era
'Ashu' — Helium Gas Segment (Seonghwa)
A solo Seonghwa segment from fromm studio's "아슈" (Ashu) content series, testing whether inhaling helium gas changes more than just his voice, posted directly on fromm studio's official YouTube channel May 8, 2022.
Official Sources
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Era Context
ZERO: FEVER Era · 2020 – 2022
A period of rapid international growth. Seonghwa's role expands across broadcast stages, variety appearances, and the group's first large-scale tours, alongside a growing presence in fashion and magazine editorials.