トリコロール・エア・ライン (Tricolor Airline)

Background
Atsuzou-kun's 17th work, and 8th work featuring Miku.

It was uploaded onto Nico Nico on Jan 20, 2010, and has since then reached over fifty billion views.

It is his most popular song to date,  which was featured in Project Mirai and was also remixed by OSTER project.

Tricolor Airline is featured in the album ATZ(A to Z).