Rule 34 Dev - 1girl arms_up ass black_socks blonde_hair blush breasts closed_eyes clothes_lift exercising gym_shirt gym_shorts gym_uniform hair_ornament highres hololive hololive_english kneehighs medium_breasts midriff multiple_views navel open_mouth pantylines shirt shirt_lift shoes short_hair shorts simple_background socks stretching tfqr virtual_youtuber watson_amelia white_background|14725260927