bump.y is a Japanese pop idol group under the label Sony Music Records and under the agency Sweet Power.
The group’s name is an acronym with each word representing a member. The acronym is Brillant (Takatsuki) Ultra (Miyatake Matsuri) Miracle (Matsuyama) Power (Sakuraba) Youthful (Miyatake Mio). The purpose of the group is to be “actress-singers” as they are idols who act and sing. bump.y made their debut in 2009 with the TBS net dorama bump.y and then with a cover album entitled Sweet Hits.
Official Website: http://www.bump-y.jp/