1girl, apron, armpits, arms_up, black_bra, black_choker, blue_eyes, bra, breasts, choker, fuku_(fuku12290574), girls'_frontline, mechanic, midriff, multicolored_hair, official_alternate_costume, pink_hair, ponytail, short_shorts, shorts, small_breasts, st_ar-15_(breeze_in_a_summer_afternoon)_(girls'_frontline), st_ar-15_(girls'_frontline), streaked_hair, sweat, underwear, welding_mask