"Q.E.D." will be released as a new single on July 22, 2026, in three formats: First Press Edition Q (CD+DVD with the "Q.E.D." music video and behind-the-scenes footage), Regular Edition E (CD only), and Regular Edition D (CD only) — each with a different jacket photo. Release commemorative event details and store-exclusive bonus information have also been announced.
In addition to performing the opening theme, Ogura is part of the show's voice cast, playing Lunoa Carlton.
She has also announced her first fan club-exclusive live tour, "Yui's*Company. LIVE TOUR 2026 SUMMER ~Utakata no Mermaid~," touring 5 cities and 6 venues nationwide.
[Release Info]
July 22, 2026
Yui Ogura New Single "Q.E.D."
- First Press Edition Q (CD+DVD) COZC-2333~2334 ¥2,200 (tax included)
- Regular Edition E (CD only) COCC-18340 ¥1,500 (tax included)
- Regular Edition D (CD only) COCC-18341 ¥1,500 (tax included)
* Columbia Music Shop also offers a limited set with acrylic stand keychain.
[CD Tracklist] (all formats)
1. Q.E.D. (Lyrics: Yui Ogura, Zumadesukoto / Music: Zumadesukoto / Arrangement: HIDEYA KOJIMA)
Opening theme for "The Enraged Lady Has Sworn Revenge."
2. New song (title TBA)
3. Q.E.D. -Instrumental-
4. New song (title TBA) -Instrumental-
[Release Commemoration Handover Events]
June 20 (Sat) AKIHABARA Gamers main store
June 27 (Sat) Animate Nagoya Daisan Taiko Bldg.
June 28 (Sun) Animate Osaka Nipponbashi
July 5 (Sun) Ikebukuro Packs 4F
[2026 Summer Yui-Yui Jumbo Ogura Lottery]
Held to celebrate the new single, with prizes including a personal phone call with Yui (3 winners), autographed posters (15 winners), and signed CD jackets.
Reservation period: May 1 (Fri) 18:00 — June 21 (Sun) 23:59
Page: https://shop.columbia.jp/shop/e/eogurakuji26summer/
[Live Tour]
"Yui's*Company. LIVE TOUR 2026 SUMMER ~Utakata no Mermaid~"
Jul 26 Kyoto Theater / Aug 9 Megane no Itagaki Bunka Hall Isesaki / Aug 14 LINE CUBE SHIBUYA / Aug 22 Nagoya Bunri Cultural Forum / Aug 30 Rune Kodaira / Sep 6 Yokosuka Arts Theatre
Details: https://ogurayui-official.com/feature/fclivetour2026
Yui Ogura Official Site: https://ogurayui-official.com/
Official Music Information Site: https://columbia.jp/ogurayui/
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©Hagure Metabo, Hobby Japan / "The Enraged Lady Has Sworn Revenge" Production Committee