User blog:SubZeroSilver/Episode 142 - Mysterious blue-haired girl's name

Episode 142 of the anime has aired, and it reveals the name of that blue-haired girl with the Nikora first shown in the latest anime opening and previous episode. Her name, as spelled in the credits, is カーチャ (Kācha), which is (or at least can be) transliterated to "Katja." Also, her Nikora is named "Niko" (ニコ).