Kep1er to release the third single in Japan! The limited edition type A includes a Blu-ray with a live video from <Kep1er JAPAN CONCERT TOUR 2023 "FLY-BY"> held on May 21, 2023. Comes housed in digipack packaging with a slipcase. Comes with a 20-page photo booklet, a folded lyrics booklet, a photo randomly selected from nine kinds (limited edition type A ver.), a photo randomly selected from nine kinds (TOUR FLY-BY ver.), and a flyer with a serial code (system requirements unknown).