Bump of Chicken is a Japanese rock group from Sakura, Chiba, Japan. Their members are Motoo Fujiwara, Hiroaki Masukawa, Yoshifumi Naoi and Hideo Masu. Since their inception in 1994, they have released twenty-three singles and six albums, with a seventh album RAY to be released March 12, 2014. 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 and television shows in Japan.