Kep1er brings the second single in Japan! This edition comes with a bonus Blu-ray featuring the debut event in Japan "Kep1er Japan Debut Showcase Live <FLY-BY>" distributed on the evening of September 11, 2022 (edited version). Also includes an application card (valid only in Japan), a photo card randomly selected from nine kinds (5.5 x 8.5cm / Type A) and a lyrics booklet.