User blog comment:B214/Season 3 confirmed!!!!!!/@comment-25537445-20141206092433/@comment-16281343-20141206092748

It is still just a preview. It can be just to hype the anime.

Sairaorg isn't out of place in Season 3. He is present in Volume 5.

~Please don't screw up, please don't screw up, please don't screw up