The four members of BUMP OF CHICKEN have known each other since
kindergarten, although at that time, Fujiwara, Naoi, and Masukawa did not know Masu. After graduating from kindergarten, Naoi, Masu, and Masukawa attended the same
elementary school, Sakura City Usui Elementary School. Later, they all attended the same middle school, Sakura City Usui Nishi Junior High School, where they reunited. In 1994, during their third year of middle school, they formed a band for the school’s cultural
festival (the band's original name was "Hage Band"), playing a cover of
The Beatles' version of "
Twist and Shout". At the time, Masukawa did not play guitar, and his role was more akin to a staff member, assisting with tasks like raising and lowering the curtains. By 1995, the band began performing original songs and participated in various competitions. Eventually, Masukawa was officially added to the band as the
guitarist. On February 11, 1996, the band officially became the current lineup and changed their name to
BUMP OF CHICKEN (the name was chosen to mean "the retaliation of the weak" or "the strike of the coward"). The band later designated this date as their "formation
anniversary". After a brief hiatus to focus on Masukawa and Masu's
university entrance exams, the band resumed activities in June 1998, performing as the live band for the theater production
Hashiru Onna by the theater company "Switch". Fujiwara also composed about six songs for the
performance. On October 24, 1998, BUMP OF CHICKEN released their first CD demo, titled
BUMP OF CHICKEN, limited to 500 copies. The demo sold out in just one month.
1999–2000: "FLAME VEIN" and "THE LIVING DEAD" In 1999, BUMP OF CHICKEN released their first album,
FLAME VEIN on High Line Records. Later that year, they released their first single, "
Lamp". In 2000, they released
THE LIVING DEAD, their final release on High Line. They also held their first live tour, "", during March and April. Later in 2000, the group switched to
Toy's Factory, releasing their first single on the label, "
Diamond", in September. They held two live tours, " 2001" beginning in March and "Surf Porkin'" beginning in July. A month later, they released their fourth album,
Yggdrasil, which was their second album to reach number one on the Oricon Weekly Charts. On October 19, 2011, they released their 21st single "Zero", which was used as the theme song for video game by
Square Enix,
Final Fantasy Type-0. It achieved over 200,000 sales, marking their highest sales since "Hana no Na" and "Mayday". Also in 2012, they released two more singles "
Good Luck" in January 18, which earned their seventh No.1 spot on the
Oricon Single Chart. On September 12, they release "
firefly", which was used as the theme song for the Japanese drama , marking their first ever TV drama theme song. On July 3, 2013, BUMP OF CHICKEN released their first best-of albums,
BUMP OF CHICKEN I and
BUMP OF CHICKEN II and held their first stadium live at
QVC Marine Field in Chiba on August 9, 2013 that was live streamed fully in YouTube. The band also released a new single "Niji o Matsu Hito", featured in the live-action movie
Gatchaman, as a digital-only release on August 21, 2013. From September 9, 2013, BUMP OF CHICKEN started their arena tour
WILLPOLIS 2013, with the final shows held at
Nippon Budokan on October 28 and 29. During the tour's final show, the band announced the release of their new album
RAY, scheduled for late January 2014. On March 12, 2014, BUMP OF CHICKEN released RAY, their first original album in over three years. On the same day, the band released a special version of the song "ray", featuring
Hatsune Miku, marking the band's first collaboration with a featured artist. On March 20, 2014 it was announced that lead vocalist Fujiwara had been hospitalized for
pneumothorax. As a result, the band's solo concert scheduled for March 31, 2014, in Shin-Kiba was postponed to July 15, 2014. Despite concerns about Fujiwara's health, the band continued their
WILLPOLIS 2014 tour, which began on April 5, 2014. The tour included a performance in Taiwan on June 28 and concluded with a Tokyo Dome show on July 31. On August 1, 2014, they released the digital-only single "
You were here", and also made their first appearance on the TV show
Music Station on July 25, 2014. The WILLPOLIS 2014 tour's progress, particularly the
Tokyo Dome show, was featured in a documentary broadcast by
NHK in October 2014. Additionally, on December 5, 2014, the band released their first documentary film,
BUMP OF CHICKEN "WILLPOLIS 2014" Theater Version. 2014–2016: "Butterflies" On November 28, 2014, BUMP OF CHICKEN released "
Fighter", a digital-only single written as a collaboration with the manga
March Comes In like a Lion. The song was also included as part of the special edition of
March Comes In like a Lion Volume 10, published by
Hakusensha. Later that year, on November 29, 2014, the band released "
Parade", written for the film
Parasyte, as another digital-only single. On April 22, 2015, the band released the double A-side single "
Hello, world!/ Colony", marking a major commercial success with over 200,000 copies sold. As part of the release, special live performances were held on July 30 at
Intex Osaka and August 4 at
Yokohama Arena. Due to high demand, the Yokohama concert was also live-streamed to cinemas nationwide, attracting 47,000 viewers, marking the band's first-ever live screening event. On December 31, 2015, BUMP OF CHICKEN performed for the first time at the
66th NHK Kohaku Uta Gassen, where they sang "RAY" live from the
Countdown Japan 15/16 venue. On February 10, 2016, the band released their sixth studio album
Butterflies, which debuted at No. 1 on the
Oricon Weekly Albums Chart and also became the first BUMP OF CHICKEN album to reach the No. 1 position on the Monthly Albums Chart. The following day, they held their 20th anniversary special live
20 at
Makuhari Messe in Chiba, drawing 25,000 attendees. The performance was later released as the
BUMP OF CHICKEN 20th Anniversary Special Live "20" DVD/Blu-RAY on July 13, 2016. Starting in April 2016, the band launched their first-ever stadium tour,
BUMP OF CHICKEN Stadium Tour 2016 "BFLY", which toured six venues, attracting a total of 280,000 people. The final show at
Nissan Stadium in Yokohama drew 140,000 attendees across two days. This performance was recorded and released as
BUMP OF CHICKEN Stadium Tour 2016 "BFLY" Nissan Stadium 2016/7/16,17 on December 21, 2016. The band also made multiple appearances on
NHK’s
SONGS music program in December 2015 and February 2016, with hundreds of requests for re-broadcasts. In May 2016, an edited "Complete Version" of their performance was aired. On June 17, 2016, the music video for "
"Hōseki ni Natta Hi" (宝石になった日, Those Days Became Jewels), from
Butterflies, was released.
2016–2019: aurora arc In July 2016, BUMP OF CHICKEN provided the theme song "
Aria" for the
TBS drama
Aogeba Tōtoshi, which was released digitally on August 17, 2016. Later that year, they provided the opening theme song "
Answer" and the ending theme song "
Fighter" for the anime
March Comes In like a Lion, with "Answer" released as a digital single on December 21, 2016. In April 2017, the band contributed the opening theme song "
GO" for
Granblue Fantasy: The Animation, and a commercial for the game also aired in May 2017. On January 28, 2017, BUMP OF CHICKEN released a demo of their new song "Nagareboshi no Shōtai" for free on their website until January 30, 2017. They also performed "
Ribbon" during a live-streamed anniversary special on February 10, 2017, which was released digitally on May 1, 2017. The band also opened official
Twitter and
Instagram accounts on the same day. On July 5, 2017, BUMP OF CHICKEN released "Kinen Satsuei" as a digital single, which had been used in a
Nissin Cup Noodles commercial. From September 16, 2017, to February 11, 2018, the band toured nationwide with their
BUMP OF CHICKEN TOUR 2017–2018 "PATHFINDER" tour, with a complete recording of their second-day performance at
Saitama Super Arena released on August 8, 2018 . In April 2018, BUMP OF CHICKEN provided the opening theme "
Sirius" and the ending theme "
Spica" for the anime
Last Hope (重神機パンドーラ, Juushinki Pandora). "Sirius" was released as a digital single on September 24, 2018. Later June 2018, they also provided "Bōen no Māchi" as a commercial song for
Yo-Kai Watch World, a new mobile game app developed by
GungHo Online Entertainment and
Level-5. The song was released as a digital single on July 23, 2018. In October 2018, BUMP OF CHICKEN provided the theme song "Hanashi ga Shitai yo" for the film
Okuotoko (億男, Okuotoko). The band also contributed "
Gekkou" (Moonbow) as the opening theme for the anime
Karakuri Circus. On October 19, 2018, they made a special appearance on
Music Station, performing "Hanashi ga Shitai yo" live for the first time since their last appearance in July 2014. This marked their return to television after a two-and-a-half-year hiatus since their appearance on
SONGS in 2016. On November 14, 2018, the band released their first single in about three and a half years,
Hanashi ga Shitai yo / Sirius / Spica. "Hanashi ga Shitai yo" had been released as a digital single on October 15, 2018. In December 2018, BUMP OF CHICKEN wrote and provided the new song "Shin Sekai" (New World) as the theme song for Lotte's 70th-anniversary special animation
Baby I Love You-Daze. That same month, their song "Lost Man", originally released in 2003, was chosen as the theme song for
Sapporo Beer’s
95th Hakone Ekiden - Beyond the Hakone Ekiden commercial. The commercial aired during the
95th Tokyo-Hakone Roundtrip University Ekiden on January 2 and 3, 2019. In January 2019, BUMP OF CHICKEN wrote and provided the theme song "
Aurora" for the
TBS Sunday drama
Good Wife. On June 28, 2019, the band made all the tracks from their single "Diamond" including "Hello, world!/Colony", and the album
FLAME VEIN +1 available for streaming. On July 10, 2019, they released
aurora arc, their seventh original studio album, after a gap of about three and a half years. From July 12 to November 4, 2019, BUMP OF CHICKEN embarked on their "aurora ark" tour, which included 18 performances across four dome venues and five live houses.
2020–2024: Iris In May 2020, in response to the
COVID-19 pandemic, BUMP OF CHICKEN released the full live footage of their
BUMP OF CHICKEN TOUR 2017–2018 PATHFINDER SAITAMA SUPER ARENA concert film on
YouTube for a limited time. Additionally, the band released nearly all of their music videos that had not been previously available on YouTube, including those from after their major debut. On August 24, 2020, during their regular radio program
PONTSUKA!!, Fujiwara announced his marriage to a non-celebrity woman. On September 10, 2020, the band released the single "Gravity". This track was later chosen as the theme song for the animated film
Love Me, Love Me Not (2020). On September 18, 2020, news of Naoi’s past personal issues with women surfaced. Following this, Naoi issued a public apology, and on September 25, a statement was issued by the remaining three members, announcing that Naoi would be taking a hiatus from his music activities. The band continued to perform as a three-piece for the time being. On September 29, 2020, BUMP OF CHICKEN released a collaboration music video for
Pokémon featuring the song "Acacia", titled "GOTCHA!" that was uploaded to celebrate the release of the
Crown Tundra DLC in
Pokémon Sword and Shield for the
Nintendo Switch. The music video was produced by
Bones and directed by
Rie Matsumoto. The song was made available for pre-release on September 30, 2020. On November 4, 2020, they released their first physical single in about two years,
Acacia / Gravity, along with the live concert film
BUMP OF CHICKEN TOUR 2019 aurora ark TOKYO DOME. On February 11, 2021, the band released "Flare", their first single in about three months, to mark their 25th anniversary as a band. On May 18, 2021, they released "Nanairo", which they had written as the theme song for the NHK morning drama
Okaeri Mone. On June 6, 2021, BUMP OF CHICKEN announced the return of Naoi’s activities, and on September 5, 2021, Naoi also returned to the regular radio program
PONTSUKA!!. On October 13, 2021, it was announced that their song "Small world" would be used as the theme song for the film
Sumikko Gurashi: The Little Wizard in the Blue Moonlight. To coincide with this, the band updated their artist photos for the first time in a year. The song was released digitally on November 1, 2021. On November 14, 2021, BUMP OF CHICKEN streamed their studio live performance
Silver Jubilee on YouTube, marking the return of the four-member band for the first time in two years. Immediately after, the band announced the release of the physical single "Nanairo" and the live concert event
BUMP OF CHICKEN LIVE 2022 Silver Jubilee at Makuhari Messe 02/10-11. The physical single "Nanairo" was released on December 22, 2022. On December 31, 2022, the band performed at the
72nd NHK Kohaku Uta Gassen, singing "
Tentai Kansoku" and "Nanairo", marking their second appearance since 2015. On February 14, 2023, BUMP OF CHICKEN announced that their song "Chronostasis" would be used as the theme song for the 25th
Detective Conan movie,
Detective Conan: The Bride of Halloween. The song was digitally released on April 11, 2023. From July 2 to 3, 2023, BUMP OF CHICKEN held their first audience-attended concert in about 2 years and 8 months,
BUMP OF CHICKEN LIVE 2022 Silver Jubilee at Makuhari Messe at
Makuhari Messe International Exhibition Hall 9-11. The concert had originally been scheduled for February 10-11, 2023, but was postponed due to the COVID-19 pandemic. The rescheduled performances took place on July 2–3, 2023. On July 3, 2023, the band launched their official
TikTok account. On September 15, 2023, it was announced that their song "SOUVENIR" would be used as the opening theme for the second season of the anime
Spy×Family. The song was scheduled for digital release on September 29, 2023. From October 24 to December 13, 2023, BUMP OF CHICKEN held their
BUMP OF CHICKEN LIVE 2022 Silver Jubilee, performing 12 concerts at six live house venues across Japan. On October 25, 2023, it was announced that a CD single for "SOUVENIR" and a live video release
BUMP OF CHICKEN LIVE 2022 Silver Jubilee at Makuhari Messe would both be released on December 21, 2023, though this was later delayed to April 5, 2024. Additionally, the band announced their upcoming arena tour
BUMP OF CHICKEN TOUR 2023 be there, set to begin in February 2024. On March 31, 2024, BUMP OF CHICKEN appeared on
NHK General TV’s
BUMP OF CHICKEN 18 Matsuri, and the following day, April 1, 2024, their song "Mado no Naka Kara" performed on the program was digitally released in advance. On April 5, 2024, the song was included in the CD single
SOUVENIR and the live video release
BUMP OF CHICKEN LIVE 2022 Silver Jubilee at Makuhari Messe. On May 24, 2024, the band released the live video
BUMP OF CHICKEN LIVE 2022 Silver Jubilee at Zepp Haneda (Tokyo). On May 28, 2024, BUMP OF CHICKEN launched their official
app be there. On December 11, 2024, BUMP OF CHICKEN released the song "Sleep Walking Orchestra", which was used as the opening theme for the anime
Delicious in Dungeon. On December 20, 2023, the band released the live video
BUMP OF CHICKEN TOUR 2023 be there at Saitama Super Arena. To mark their 28th anniversary, from February 11 to April 25, 2024, BUMP OF CHICKEN held a nationwide arena tour as a revival of their 2008 orbital period tour, performing 16 concerts across eight venues and attracting 150,000 fans. On April 15, 2024, the band released "Kaikou" as the theme song for the live-action Japanese film
Onmyoji 0. On July 31, 2024, "Strawberry" was released as the theme song for the TBS drama ''Ms. Saionji Doesn't Do Housework''. On April 25, 2024, the band announced the release of their tenth studio album
Iris, scheduled for September 4, 2024, along with a dome tour
BUMP OF CHICKEN TOUR 2024 Sphery Rendezvous to start in September 2024. On August 19, 2024, they added 10 additional concerts at halls and live houses, and on September 2, 2024, it was announced that
Tokyo Dome performances would take place on December 7 and 8, 2024, marking their first Tokyo Dome shows in five years since
BUMP OF CHICKEN TOUR 2019 aurora ark. The tour will consist of 19 performances at 10 venues across Japan.
2025–present On June 25, 2025, it was announced that BUMP OF CHICKEN's song "
Ribbon", originally released in 2017, would be used as the Japanese ending theme for the
Disney &
Pixar film
Elio, set to be released on August 1, 2025. On September 27, 2025, it was revealed that BUMP OF CHICKEN would provide their new song "I" as the ending theme for the final season of the anime
My Hero Academia, with the season scheduled to begin airing on October 4, 2025. On November 14, 2025, the band is set to perform at the music event
Wonderlivet 2025, held at Kintex Hall 7, 8, and 10 in
South Korea, where they will be the headliner for the first day of the event. On October 15, 2025, BUMP OF CHICKEN released the digital-only single "I". == Band members ==