GOOD BYE Natsuo (GOOD BYE 夏男; Good Bye Summer Boy) is the 10th single from Matsuura Aya. It was released on June 4, 2003 under Zetima. It sold 57,836 copies in its first week and 88,483 copies total. The single V for the single sold 28,482 copies total. On the day of the release, a DVD (EPBE-5077) and VHS video (EPVE-5077) with the music video was also released. The DVD contains an alternate multi-channel DTS surround sound audio track for the music video, besides the regular stereo LPCM audio track.