"Blood Circulator" (ブラッドサーキュレーター , Buraddo Sākyurētā ) is a song by Japanese rock band Asian Kung-Fu Generation.
 It was released on July 13, 2016 and reached number 13 on the Oricon.
 It was used as the opening for the anime "Naruto" and the third song by Asian Kung-Fu Generation in the "Naruto" media, after "Haruka Kanata" and "Sore dewa, Mata Ashita".
 Masafumi Gotō said, "The offer came to places where there was no song, no idea, no time, but I could not find a reason to refuse, I thought that I had to write down even while I was sleeping."
 Single's B-side, Hakkei, sung by band's guitarist, Kensuke Kita.
 This is the fourth time since 's B-side, "Time Traveller" in 2016.
Asian Kung-Fu Generation Presents: Nano–Mugen Compilation 2011 is a compilation album released by Asian Kung-Fu Generation on June 29, 2011 to advertise their ninth annual Nano-Mugen Festival, held at the Yokohama Arena from July 16 to July 17 of the same year.
 It features songs from Asian Kung-Fu Generation, Weezer, The Rentals, and other bands that performed for the 2011 Nano-Mugen Festival.
"Sore dewa, Mata Ashita" (それでは、また明日 , Well Then, See You Tomorrow) ) is a song by Japanese rock band Asian Kung-Fu Generation.
 It was released on July 25, 2012 and reached number 11 on the Oricon charts, make them failed to enter Top 10 since Kimi to Iu Hana.
 It was used as the theme song for "" and one of three song by Asian Kung-Fu Generation in the "Naruto" media, alongside Haruka Kanata and Blood Circulator.
In guitar music, especially electric guitar, a power chord    (also fifth chord) is a colloquial name for a chord that consists of the root note and the fifth.
 Power chords are commonly played on amplified guitars, especially on electric guitar with distortion.
 Power chords are a key element of many styles of rock and especially in heavy metal, and punk rock.
Takahiro Yamada (山田 貴洋 , Yamada Takahiro ) (August 19, 1977) is the bass player and backing singer of the Japanese rock band Asian Kung-Fu Generation.
 Yamada met fellow band members Masafumi Gotō and Kensuke Kita while attending a music club of Kanto Gakuin University.
 The three formed Asian Kung-Fu Generation in 1996, with drummer Kiyoshi Ijichi joining the band shortly after.
Asian Kung-Fu Generation Presents: Nano–Mugen Compilation is a compilation album released by Asian Kung-Fu Generation on June 8, 2005, to advertise their fifth Nano-Mugen Festival that was held at Yokohama Arena on July 9.
 The album features one song from each of the eight total groups, composed of four Japanese bands and four UK bands, who performed at the event.
Asian Kung-Fu Generation Presents: Nano–Mugen Compilation 2006 is a compilation album released by Asian Kung-Fu Generation on July 5, 2006, to advertise their sixth annual Nano-Mugen Festival.
 The album features one song from each of the twelve groups — seven Japanese bands, three American bands, and two English bands — who performed.
Asian Kung-Fu Generation (アジアン・カンフー・ジェネレーション , Ajian Kanfū Jenerēshon , stylized as ASIAN KUNG-FU GENERATION) is a Japanese alternative rock band formed in Yokohama, Japan, in 1996.
 For nearly its entire career, the band has consisted of vocalist Masafumi Gotō, guitarist Kensuke Kita, bassist Takahiro Yamada, and drummer Kiyoshi Ijichi.
 Starting out as a college band, Asian Kung-Fu Generation released a series of independent EPs featuring lyrics mostly sung in English.
 In 2002, they released their major-label EP debut "Hōkai Amplifier", from that point singing their lyrics in Japanese.
 The band's musical style is influenced by seminal Western alternative rock acts as well as their own local Japanese indie-rock and punk scene.
 Their songs incorporate various aspects of the genres, most typically expressing fast tempos and prominent power chord guitar riffs in addition to rhythmic groove and emotional lyrics.
 Despite the indie nature of their music, the band has enjoyed worldwide commercial success in addition to critical acclaim.
 Asian Kung-Fu Generation has been cited as one of the best, most balanced modern rock bands to emerge from Japan in the 2000s.
Masafumi Gotō (後藤 正文 , Gotō Masafumi ) (December 2, 1976) is the lead vocalist, main songwriter and rhythm guitarist of the Japanese rock band Asian Kung-Fu Generation.
 Masafumi met fellow band members Kensuke Kita and Takahiro Yamada while attending a music club of Kanto Gakuin University.
 The three formed Asian Kung-Fu Generation in 1996, with drummer Kiyoshi Ijichi joining the band shortly after.
 As the main songwriter of the band, Gotō is accredited for engendering a majority of their lyrics, but has a strong tendency to share songwriting duties equally among his bandmates.
 His vocal style most often alternates between soft, melodic singing, and harder, harsher, yelling.
 Masafumi has a degree in economics and his favourite artists include Weezer, Number Girl, Oasis, Teenage Fanclub, and Beck.
 He launched his own music label, Only in Dreams and produces records for other artists such as Chatmonchy, Dr. Downer and The Chef Cooks Me.
 He was also one of the founding members of the band Skeletons (スケルトンズ ) .
Asian Kung-Fu Generation Presents: Nano–Mugen Compilation 2012 is a compilation album released by Asian Kung-Fu Generation on June 27, 2012 to advertise their tenth annual Nano-Mugen Festival, to be held at the Yokohama Arena on July 15 and 16.
 It features songs from Asian Kung-Fu Generation, Motion City Soundtrack, Straightener, and other bands that will perform for the 2012 Nano-Mugen Festival and have performed on Nano-Mugen Circuit from June 4 to June 8 of the same year.

Question: What chord also known as fifth chord is prominent in Asian Kung-Fu Generation songs?
Answer: power chord