Cube Entertainment spokesman, B2ST agency stated, "B2ST has completed the promo album 'Fiction and Fact' in Korea. Next B2ST will release a new single entitled 'Bad Girl' in Japan on June 15, 2011." Similarly, as reported by Nate on Monday (6/13/2011).
The single 'Bad Girl' will be present in 4 versions are included in the limited version on DVD. B2ST also rumored to be appearing on stage-the stage and held a news Japanese music fans.