The ladies of A Pink officially debuted with "I Don't Know" back in April. July 29th marks the 100th day anniversary since their debut and to celebrate, a special 100th day anniversary video was shared on the A Cube Entertainment YouTube channel. The video is narrated by Namjoo and in the video she talks about the hard work and wonderful experiences the group had over the past few months. She asks for the fans to patiently wait for their comeback and their continued support and love. Check out the video below! Tip: Theshhami