AMOYAMO

Amoyamo (アモヤモ) (stylized as AMOYAMO) is a Japanese pop-duo made up of models Amo and Ayamo. They released their debut EP, Amoyamo in August 2012, and their first single, "Let's Go Out", on October 31, 2012. Both were produced by Tomoko Kawase. Their group name is a combination of both of their first names, Amo and Ayamo. "Let's Go Out" debuted at number 23 on the Oricon singles chart.

(Source: Wikipedia)

The song, "Let's Go Out", was used as the first opening song for Gintama': Enchousen.