“BILLY BOO” is a four-member band from Sendai formed in May 2024.
The nationwide ban tour “BILLY BOO “WIGGLY tour 2025-2026” has been decided to be held!
The title of this tour, “WIGGLY tour 2025-2026,” is filled with the desire to “sway people at live venues with the music of BILLY BOO, and to create a new wave of BILLY BOO.”
And the single “Rhapsody” was released today, June 4th. “Rhapsody” is attracting attention, having ranked on various charts. Expectations are high for future developments, and this will likely show a remarkable presence on the national tour. He is an increasingly difficult person to take his eyes off.

[BILLY BOO “WIGGLY tour 2025-2026”]
・2025
Friday, October 17th
[Miyagi]ROCKATERIA
Saturday, October 25th
[Hokkaido]Sapporo KLUB COUNTER ACTION
Saturday, November 8th
[Ishikawa]Kanazawa GOLD CREEK
November 21st (Friday)
[Aichi]ell.SIZE
December 12th (Friday)
[Kagawa]Takamatsu TOONICE
Saturday, December 13th
[Osaka]Live House Pangea
・2026
Saturday, January 24th
[Fukuoka]LIVE HOUSE Queblick
Sunday, January 25th
[Hiroshima]Cave-Be
Saturday, February 7th
[Tokyo]Spotify O-Crest
¥3,500- (tax in / 1D generation not included)
・Official fastest leading (first come first served)
Thursday, June 5th, 2025, 12:00pm – Monday, June 16th, 23:00pm
https://billyboo.jp/news/detail/124
BILLY BOO’s “Rhapsody” (the ending theme for the TV anime “The Mystery Solving After Dinner”), released on April 11th, won the top spot on “JAPAN Heatseekers Songs” for the second consecutive week on April 23rd and April 30th, winning push songs (power plays) from 57 stations nationwide.
Despite being released, it was first made appearance on the Billboard JAPAN general song chart “JAPAN Hot 100” (April 9th) at number 77th, and was an unusual achievement, making it a chart-in before it was released. After the release, the charts continued to rank 45th on the Billboard JAPAN general song chart, “JAPAN Hot 100” and 13th on the Billboard JAPAN Hot Animation. It has been a hot topic, with the RADIO ON AIR CHART (April 9th and April 16th) taking the top spot nationwide overall.
We can’t take our eyes off the future success of the most popular band, BILLY BOO, in 2025.
◆BILLY BOO “Rhapsody” release information
Ending theme for TV anime “The Mystery Solving After Dinner”

・Distribution link
https://billyboo.lnk.to/Rhapsody_

・CD purchase link
https://BILLYBOO.lnk.to/RhapsodyIn
¥1,650 (tax included)
SRCL-13318
・CD contents
01 Rhapsody
02 Dejavu
・CD store-specific benefits
[Target store/Bonus content]
■All HMV stores (including HMV&BOOKS Online/Excluding some stores) … L-size bromide
■Rakuten Books… Postcard
■Amazon.co.jp … Mega Jacket
■Seven Net Shopping… Pick
■Sony Music Shop ・・・B2 poster
■Nationwide Animate (including mail order) … Mashikaku Bromide
■BILLY BOO Support Shop… Stickers
List of BILLY BOO support stores
https://www.sonymusic.co.jp/Music/Info/billyboo/shoplist/250604/
[Notes]
*The number of bonuses is limited, so they will end as soon as they run out. Thank you for your understanding.
*No distribution will be made anywhere other than the above stores. note that.
*We will inform you of the stores eligible for support stores and bonus designs at a later date.
*Please note that it may take some time for the cart to be published for each online shop.
*Amazon.co.jp, Rakuten Books, and some other online shops have “special offer page” and “special offer page” that is not eligible for bonuses.
When making a reservation, please check whether the product page you are looking for before making a reservation.
■Photograph 1 of the TV anime “The Mystery Solving After Dinner”
■Uncredited ending footage of the TV anime “The Mystery Solving After Dinner”
https://youtu.be/UpX4Eje5BDY?si=_bVFSrHZ34pYMgA3
■BILLY BOO Profile
Formed in May 2024. With roots in R&B, HIPHOP, and soul funk, this four-member band combines a unique mixed sound that transcends genre boundaries with catchy melody.
The vocalist KAZUKI UJIIE’s singing voice captivates people with his natural singing voice that will keep you on your ears once you hear it.
“Lens,” released last October, was selected as the background music for ABEMA’s “Don’t Deceived by You and the Wolf.”
In February of this year, the band released their first EP, “Backlight,” and was selected for the FM802 heavy rotation in February.
“Rhapsody,” released in April this year, has been written as the ending theme for the TV anime “The Mystery Solving After Dinner,” and will be the first anime tie-up.
It has acquired push songs (power plays) from 57 stations across the country, and despite its release, it achieved an unusual achievement, charting onto the Billboard JAPAN general song chart “JAPAN Hot 100”.
Even after its release, it was charted at 45th place on the “JAPAN Hot 100” and 13th place on Billboard JAPAN Hot Animation.
He also won the top spot on the “Billboard Japan Heatseekers Songs” for the second consecutive week.
The most popular band of 2025.
YouTube: https://www.youtube.com/@BILLYBOO_OFFICIAL
X: https://x.com/BILLYBOO_offici
Instagram: https://www.instagram.com/billyboo_official/
●Information on the TV anime “The Mystery Solved After Dinner”

■Broadcast information
Starting broadcast on Fuji TV’s “Noitamina” nationwide from Friday, April 4, 2025, every Friday at 11:30pm
AT-X Starting Sunday, April 6th, 2025, broadcast every Sunday at 9:00pm
(Rebroadcast: Every Wednesday from 11:30pm, Every Sunday from 6:00pm)
■Delivery information
Unlimited viewing available on Prime Video every Saturday from April 5th, 2025
Available on TVer every Thursday at noon from Thursday, April 10th, 2025.
■Introduction
A popular novel of the same name by Higashikawa Atsuya, which has been mixed with comic adaptations, TV dramas, movies, and stage plays, has finally been made into a TV anime!
Hosho Reiko, a new detective at the National Police Station, is a young lady from the world-famous “Hosho Group.” Under Inspector Kazematsuri, the heir to Kazematsuri Motors, he is struggling with numerous incidents. When Reiko returns to her big mansion, she changes from a plain pantsuit to a dress and enjoys dinner, but every time she encounters an intricate incident, Kageyama, the “butler and driver” he talks about the whole story.
“Is the young lady’s eyes a bit sloppy?” – While pointing out Reiko’s lack of reasoning with a sharp tongue that makes him abusive, Kageyama vividly unravels the mystery of the incident.
The extremely popular mystery between a sharp-tongued butler and a lady detective duo has opened in a brilliant form an anime.
■ Official TV anime website/X
TV Anime HP:https://nazod-anime.com
TV Anime Official X:https://x.com/nazoD_anime
■Original work
Higashikawa Atsuya: “The mystery is solved after dinner” (published by Shogakukan)
■Staff
Character design: Tachibana Oreko
Director: Masuhara Mitsuyuki
Series composition: Kunisawa Mariko
Character Design: Kawada Izumi
Art settings: Yanai Kyoko, Takayama Masako, Fujise Tomoyasu
Art Director: Ogura Hiromasa
Color design: Ohno Harue
3DCG Director: Aragaki Hayato
Director of Photography: Inoue Hiroshi
Special Effects Director: Taniguchi Kumiko
Edited by: Tsukatsune Mariko
Sound Director: Shimizu Hiroshi
Music: Hahaha
Animation production: Madhouse
■Cast
Hosho Reiko: Hanazawa Kana
Kageyama: Kaji Yuki
Kazematsuri Kyoichiro: Miyano Mamoru
●Original information
The series has sold over 5 million copies! A very popular mystery novel about a butler detective and a young lady detective!
Original work: Higashikawa Atsuya, “The Mystery Solve After Dinner” (published by Shogakukan)
Official website of the original:https://www.shogakukan.co.jp/pr/nazoD/
Official X:https://x.com/nazoD3