Kessoku Band is the main band in anime and manga series Bocchi the Rock! Their original songs are written by famous japanese musicians such as Ikkyu Nakajima (tricot) and Maguro Taniguchi (KANA-BOON), while Ritsuo Mitsui (LOST IN TIME, Stereo Fabrication of Youth, la la larks) is in charge of most of their arrangements. Each of the band members shares a name with a member of ASIAN KUNG-FU GENERATION, a group whose song 転がる岩、君に朝が降る is covered as the last track on 結束バンド