Bump of Chicken is a Japanese alternative rock group from Sakura, Chiba. The band members are Motoo Fujiwara, Hiroaki Masukawa (guitar), Yoshifumi Naoi (bass) and Hideo Masu (drums). Since their conception in 1994, they have released 28 singles and 10 albums. They are a popular group in Japan; every release since their third single, "Tentai Kansoku", has charted in the top ten on the Oricon Weekly Charts. Their music has been used in various video games and as theme songs for movies, television shows and anime in Japan.