1girl, ass, ass_focus, bare_arms, bare_shoulders, black_thighhighs, blush, breasts, cropped_jacket, from_behind, grey_background, hair_ornament, hair_ribbon, hololive, houshou_marine, houshou_marine_(1st_costume), jacket, large_breasts, leotard, long_hair, looking_at_viewer, looking_back, oekakizuki, open_mouth, pleated_skirt, red_eyes, red_jacket, red_ribbon, red_skirt, ribbon, simple_background, skirt, sleeveless, sleeveless_jacket, smile, solo, thighhighs, thighs, twintails, underbutt, virtual_youtuber, yellow_eyes