1girl absurdres arm_up armpit_cutout black_serafuku black_shirt black_skirt black_thighhighs blue_hair buttons closed_mouth clothing_cutout feet_out_of_frame glint gradient_hair highres holding holding_sword holding_weapon long_hair looking_at_viewer mechanical_ears miniskirt multicolored_hair neckerchief original pleated_skirt ponytail red_eyes reverse_grip sailor_collar sbgu school_uniform serafuku shirt shoulder_cutout side_cutout skirt smile solo standing sword thighhighs v-shaped_eyebrows weapon wrist_cuffs zettai_ryouiki