KADOKAWA Corporation (headquartered in Chiyoda-ku, Tokyo; Director, Representative Executive Officer and CEO: Tsuyoshi Natsuno) will sell a special cover edition of the novel "Vivarium: Ado and I" and commemorative goods in limited quantities at the venue of "Ado STADIUM LIVE 2026 'Ao'" and Kadokawa Store (Kadost) to be held at Nissan Stadium on July 4 (Sat) and 5 (Sun), 2026. Special Cover Edition of "Vivarium: Ado and I" to Be Released Product Lineup 1 "Vivarium: Ado and I" MV Version Special Cover Edition (book only) A special edition of Ado's debut autobiographical novel "Vivarium: Ado and I," currently a major bestseller, featuring cover art inspired by the music video for the song "Vivarium." While the book's content remains unchanged, the cover features iconic scenes from the "Vivarium" music video, including "Ado inside the closet (miniature garden)" and animation stills. This memorial design allows fans to fully immerse themselves in the song's world. 【Price】 1,870 JPY (1,700 JPY + tax) 【Product Specifications】 Size: approx. 188 mm (H) × 128 mm (W) Material: Paper Pages: 336 Country of Origin: Japan 2 Nissan Stadium Live Commemorative Foil-Stamped Clear Bookmark Set (3 types) (book + foil-stamped clear bookmarks) Following the great success of the first edition at Kadost, a second edition of foil-stamped clear bookmarks will be released as a set with the book. Maintaining the slim size (approx. 60 mm × 150 mm, PET material) ideal for use with both hardcover and paperback books, two of the three bookmarks feature stills from the music video and are designed to resemble tickets for "Ado STADIUM LIVE 2026 'Ao'." All three bookmarks feature luxurious rainbow silver foil stamping. The set includes a full-body illustration of Ado, a Day 1 ticket-style design, and a Day 2 ticket-style design, making it a perfect keepsake to preserve the excitement of the live event. Foil-Stamped Clear Bookmark Image 【Price】 3,080 JPY (2,800 JPY + tax) 【Product Specifications】 Size