On April 19, DIA held their comeback showcase for their new album Yolo. The showcase was broadcast through Naver V Live and emceed by labelmate Shannon and DIAs producer Kim Kwang Soo.
During the showcase, Eunjin was seen having difficulties with the choreography, eventually stopping altogether. In the middle of the showcase, she disappeared off stage.
The MCs explained that Eunjin had previously taken medicine on an empty stomach due to her busy schedule and had been taken to the hospital after experiencing difficulties breathing.