Nana Mizuki releases the long awaited best album for the first time in about eight years, and this ultra powerful edition contains the rearranged version of the hit number "innocent starter," the opening theme song of the TV anime "Magical Girl Lyrical Nanoha" in which she also appears as a voice actress, as well as many theme songs from other popular works, and the limited edition contains the music clip collection "NANA CLIPS 9," and from the TV anime "Symphogear XV" opening theme "METANOIA" to the TV anime "#Compass 2.0" opening theme "Hakudo," many popular music clips and making videos are included, and furthermore, as bonus footage, the event "Nana Mizuki Smile Gang 1200kai Toppa Kinen Event Atsumare 1 2 3 4 Smagyan Matsuri" held at Omiya Sonic City Dai Hall in Saitama in September 2025 is completely recorded, and a special photo book is enclosed, and it comes in a special box.