[Machine Translation] The BACKHORN's new single! Sirius," a rock number that has gained a huge following among fans, is now on sale! The new single, their first in a year and a half, is a powerful song that pushes you forward, just like the lyrics of the chorus, "What can I do now for you who are standing still? The song, "Sirius," which has already been performed live, is the most popular rock number among fans. The coupling album includes two new songs, including "Clione," a newly written song that aired in a Chifure Cosmetics commercial in 2011. The limited first edition includes an additional song.