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.
Weekly Idol Official — [Weekly Idol] '청소왕 성화'를 위한 안성맞춤 꽃가루 치우기 게임, EP.429 (opens in a new tab)