"OFFICIAL ORANGE" is Hachi's fourth album; it features 5 new (at the time) tracks (tracks 1, 4, 8, 10, and 12). This album mainly features Hatsune Miku, but also GUMI, Megurine Luka, and Hachi himself on the last track.
A crossfade can be heard here.
Additionally, a Spotify link to this album is right here
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