a flood of circle is a Japanese rock band formed in Tokyo in 2006. The band members are Ryosuke Sasaki, Kazuoka Watanabe, HISAYO, and Tetsu Aoki. a flood of circle debuted with their first mini-album "a flood of circle" in July 2007, followed by their first single "Buffalo Dance/Thunderbolt" on the independent label in March 2009, and their major label debut with their first album "BUFFALO SOUL" in April. Their 1st album "BUFFALO SOUL" marked their major label debut, followed by their 2nd album "PARADOX PARADE" in November, their 1st major label single "Human License" in July 2010, and their 3rd album "ZOOMANITY" in September 2010. After releasing their 4th album "LOVE IS LIKE A ROCK'N'ROLL" in November 2011, they moved to Imperial Records in 2012 and released a mini album "FUCK FOREVER" in December. Their first full-length album "I'M FREE" was released in 2013 after the transfer, and the following album "GOLDEN TIME" in 2014 became their first top 20 album on Oricon. 2018's 8th album "a flood of circle" released after "NEW TRIBE" in 2017 recorded its first appearance on Oricon at No. 16. After that, they have consistently released "CENTER OF THE EARTH" in 2019, "2020" in 2020, "Densetsu no Yoru o Kimi to Densetsu no Yoru" in 2021, and "Hanafururu Sora no Immortal Song" in 2023, and in November 2024, released their 13th album "WILD BUNNY BLUES / Wild Bunny In November 2024, he released his 13th album "Wild Bunny Blues".