1girl alternate_weapon brown_hair crossover fusion gloves gradient gradient_background hairband kabizashi kantai_collection mecha_musume morito_(sidonia_no_kishi) naik namesake open_mouth pleated_skirt polearm school_uniform serafuku short_hair sidonia_no_kishi simple_background skirt solo spear tanikaze_(kantai_collection) thighhighs weapon white_gloves white_legwear yellow_eyes zettai_ryouiki