Ryugu Miyagi is an "alternative song and dance group" born out of the school-style audition project "0-nen 0-gumi -Av-chan no Kyoshitsu-" (broadcast from January to April 2023), in which the vocalist Av-chan of Queen Bee serves as a producer and homeroom teacher to create a unique group. After a successful one-man live performance at the Budokan in February, they have announced a 2DAYS performance at the TOYOTA ARENA TOKYO in 2026, and will be releasing the ending theme "WALTZ" for the anime "Black Butler - Green Witch Arc" on April 6 (Sun.). The new photo has been released.

This song was first performed at the Nippon Budokan's one-man live "Urajima" held in February this year, and is the first anime theme song for Ryuguji.
The original comic "Black Butler" has sold more than 36 million copies worldwide and continues to attract fans around the world with its beautifully and intricately drawn worldview and diverse characters. The video was unveiled at the "Kuroshitsuji - Green Witch Arc" AnimeJapan Special Stage on the Green Stage at "AnimeJapan 2025" on March 23 (Sun.), and a part of the music can be heard.

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From May 18 (Sun.), the group will embark on a franchise live tour in Tokyo, Nagoya, and Osaka. On February 28 (Sat) and March 1 (Sun), 2026, a solo live concert will be held at the TOYOTA ARENA TOKYO, a large-scale facility that will open in autumn this year. This will be the first 2-day arena performance, and each show will have a different program. Ryugu FC "Ryugu-jo" is now accepting the fastest advance tickets with goods (by lottery).

We hope you will look forward to Ryuguji, who, like a rising dragon, will soar around the world and grow deeper and higher as an artist.

Tie-in information

Ending theme for the anime "Kuroshitsuji: The Green Witch".
Song title:WALTZ(read: waltz).
Words and music by Rose Garden Av.
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Tie-up Anime Information

Anime "Black Butler -The Green Witch-" Main PV

Broadcasting begins on April 5, 2025 (Saturday) on various stations
TOKYO MX, BS11, Gunma TV, Tochigi TV: April 5 (Sat.) from 23:30
MBS: April 5 (Sat.) from 27:08
AT-X: Monday, April 7, from 21:00
To be distributed on ABEMA and other distribution sites!
https://www.kuroshitsuji.tv/emeraldwitch/#onair
The delivery date and time may be subject to change due to programming reasons or other reasons. Please be forewarned.

Live information

TOYOTA ARENA TOKYO one-man live concert is scheduled.
Saturday, February 28, 2026 Doors open 17:30 / Concert begins 18:30
March 1, 2026 (Sun.) Doors open 17:30 / Concert begins 18:30
*Different performances are scheduled for each day.

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https://ryugujo-official.com/news/detail/iGz5WEow3buckheUbgOm