Robot Izonkei Joshi no Meiwaku na Nichijou

Hagane Takashina is a high school girl and a genius mecha pilot. For some reason, she confines herself to the cockpit of her robot. She doesn't even like to get out to go to the bathroom, so she wears diapers most of time. She loves her only friend, Kotoha-chan, so much that she would run through fi