風が吹けば人類が終わる (Kaze ga Fukeba Jinrui ga Owaru)

Background
This is Manbo's traditional anniversary upload of 2013. It is featured as a track in the album: Kowareta Sekai de Hana wo Daku (壊れた世界で花を抱く).

This tells a story of two organizations and of two men inspired by a spring wind. Ultimately destroying the world.