M!LK brings a live video. Compiles the live concert <M!LK 1st ARENA "HAPPY! HAPPY! HAPPY!"> held on October 22, 2023. The regular edition includes multi-angle videos, featuring "Break it down" (Hayato Sano), "Telepathy" (Shunta Sono), "Dance Break" (Daichi Shiozaki), "last moment" (Jutaro Yamanaka), and "Ichininosan" (Jinto Yoshida).