Koolkaye has 2 IVE concerts.

IVE (Korean: 아이브) is a South Korean girl group formed by Starship Entertainment. The group is composed of six members: Yujin, Gaeul, Rei, Wonyoung, Liz and Leeseo. They debuted on December 1st, 2021 with the single album "Eleven." It reached number one on the South Korean Circle Album Chart. The lead single and title track reached number two on the Circle Digital Chart while charting in Japan, New Zealand, and Singapore. In 2022, IVE released two more single albums, "Love Dive" and "After Like," both reaching the top spot in South Korea along with their title tracks/lead singles. The EP "Wave" dropped in Japan in 2023 and reached the top spot on the Oricon Albums Chart. Several months after, the sextet released its debut studio album "I've I've," another number one in South Korea and top five hit in Japan.