[Machine Translation] Motohiro Hata celebrated the 5th anniversary of his debut in November 2011, and is now moving on to a new stage. The long-awaited first release of 2013! The first double A-side single from Motohiro Hata, his first release with confidence, features two songs as the title track: one with Seiji Kameda as sound producer, which stands out for its melody line and arrangement, something Motohiro Hata has never done before, and one with Masanori Shimada as sound producer, a strong, straightforward medium rock number. This is a powerful single. Goodbye Isaac" is the ending theme song for the Yomiuri/Nippon Television network TV anime "Space Brothers" (from January 2013). The digipak specification is newly drawn for the anime "Space Brothers. Limited time production until the end of March 2013.