She's Senkan Kongou from the Kantai Collection -KanColle- franchise. It's getting slightly popular in the West, and is [i]ridiculously[/i] popular in the East. On the topic of your signature, so much Yang! There's even some No Game no Life a few posts up :D

Anyway... Still deciding between two characters. What do you think will suit your plot more, and give more variety to your specimens? Honorable animal eared magical beam spamming knight commander, or insanely spasmodic mind controlling esper? If you'd prefer/allow, I can just send you both sheets and proofs and you can approve one.