1girl, ahoge, arm_support, armband, azur_lane, blush, breasts, fingerless_gloves, gloves, grenville_(azur_lane), greyscale, gun, holding, holding_gun, holding_weapon, hori_(hori_no_su), large_breasts, long_hair, looking_at_viewer, monochrome, open_mouth, sitting, smile, solo, thighhighs, weapon