:d artist_request black_gloves black_hair black_serafuku black_skirt boots braid breastplate cannon fingerless_gloves full_body gloves hair_ornament high_heel_boots high_heels knee_boots long_hair neckerchief official_art open_mouth oshiro_project oshiro_project_re outstretched_arm pleated_skirt red_neckwear school_uniform serafuku skirt smile transparent_background usuki_(oshiro_project) v-shaped_eyebrows very_long_hair yellow_eyes