やるき げんき ねおき

I'll also translate the comments, because they tell how the production first intended AiPri to look like which is quite fascinating.

As the page says, in its early development Takara Tomy ARTS commissioned Umi Hasegawa some illustrations to present the arcade game project.

Live scene - «The audience is floating around the AiPri Stage while watching it through their smartphones.» You can also see Himari wearing her beta coord. I know lots of people (me included) didn't loved the whole floating card thing they actually used, so it's kind of bittersweet to see this early concept that was probably more lively than the one they actually ended up using.

Movement images - «The waving and running gestures illustrations were made because we wanted to convey the image of the game where the players move the cards on the panel by the character's movements and live experiences»

The birth of Mugi-chan - «Hasegawa was commissioned to draw an AiPri picking up presents like a figure skater. At the time she draw a staffed animal that will later become Mugi-chan.» This illustration might be one of my favourites for sure!

«After the "Birth of Mugi-chan" illustration, Hasegawa created an illustration depicting Himari and Mugi-chan's friendship. Initially, Mugi-chan was intended to be lively and energetic, but her energy level was later changed to reflect the fact that Tsumugi would eventually take over and act inside her» So basically Mugi was designed after Himari to be some sort of pair mascot but later they decided to put Tsumugi inside her, which… tells a lot about the writing of the anime… I would have liked it more if Mugi was designed after Tsumugi's appearance instead of Himari's. At least it would have made more sense…