AiRiSu

AiRiSU (아이리수) was a four-member girl group under Gaon Entertainment. They debuted on July 25, 2018 with the digital single "Oppa". On July 31, 2019, AiRiSu's YouTube channel was changed to a YouTube channel for DJ Ina, Yina's DJ name. The same day, Yina posted a live DJ video, confirming in the comments that she would continue as a DJ, signaling AiRiSu had disbanded.