Ergonomic Hero (Kikyuune Aiko and Ichine Luna)

So, I'm probably not gonna post a cover of Aiko and Luna doing this song, but I wanted to make this. The original was done about 2 or 3 years ago on Sketchbook on an Ipad. This new one was done this year and on a much better program (Paint Tool Sai). 

The original Economic Hero design is by Masa-Work-Design
Kikyuune Aiko belongs to StudioVOXYZ
Ichine Luna belongs to Dahlia V.

(Why do I draw fan art of these two more often than other things? I don't know, I just like these two in a picture together. They contrast each other in different ways. I think they're perfect for fan art.)