Erina Shindō / Tail Yellow - Gonna be the Twin-Tail!! : 神堂 慧理那 / テイルイエロー - 俺、ツインテールになります。

ErinaTailYellow, green eyes, blonde hair, low twintails, sidelocks, mecha musume, leotard, armor, covered navel, black gloves, thighhighs | ErinaUniform, green eyes, blonde hair, low twintails, sidelocks, x hair ornament, school uniform, blazer, white collared shirt, bowtie, ribbon, two-tone skirt, black skirt, black knee socks, black shoes