Kotobuki “Koto” Takanari works alongside Kiki, and their relationship becomes important enough to receive both early and later episodes, including “Kiki and Koto.” The repeated focus on these two characters suggests that their relationship may contain more significance than simply being a professional partnership.

Their repeated disagreements and investigations could eventually reveal a hidden history between them. The question is whether Koto knows something about Kiki’s powers, her past, or the Emorgear phenomenon that Kiki herself does not know.