1girl, armband, azur_lane, black_background, blush, coat, cross, dated, deutschland_(azur_lane), flower, gloves, goggles, goggles_on_headwear, greyscale, hands_up, hat, holding, holding_flower, iron_cross, leg_belt, leotard, long_coat, long_hair, long_sleeves, looking_at_viewer, mechanical_gloves, monochrome, peaked_cap, simple_background, smile, solo, takeakigaku