The story
- English · derived fromqueer
- Korean · calque of퀴어 퍼레이드
- English todayqueer parade
By surface analysis, queer + parade, but in regards to South Korean usage, it is a calque of Korean 퀴어 퍼레이드 (kwieo peoreideu), which is from English queer + parade.
Etymology from Wiktionary, CC BY-SA 4.0.