These characer sheets were, in fact, done during the course of the animation for cosplay. In any case, there is a 'casual Seika' and a 'plugsuit Seika'; both of whom were within the animated short.
The animated short took two months to produce and animate within a small team of freelance animators, overseen by a Creative Director from CDS, WaHa. WaHa also happens to be the character designer for Seika as well.
As of now, the animated short has over 20,000 views on Youtube and Facebook after one month and was regularly played during the Singapore convention itself. It is also one of the most shared and liked links/video on the AFA Facebook page.