Cream Lemon: The Shape of the Bud(2006)

17-year-old Ami Nonomura passes a talent audition she took on a whim with her friends and is showered with praise, but she has no intention of making her debut. Her older brother, Hiroshi, is a special camera man who specializes in filming people having sex. Ami and Hiroshi live together under the same roof for reasons of their own.