1girl, d, bare_shoulders, blush, breasts, covered_navel, cropped_vest, gloves, hands_on_own_chest, heterochromia, highleg, highleg_leotard, hololive, houshou_marine, houshou_marine_(1st_costume), impossible_clothes, impossible_vest, large_breasts, leotard, leotard_under_clothes, long_hair, looking_at_viewer, lying, no_headwear, on_back, orange_eyes, red_eyes, red_hair, red_vest, short_hair, short_twintails, silky_(silky_alice), simple_background, smile, solo, teeth, twintails, upper_body, upper_teeth_only, vest, virtual_youtuber, white_gloves, yellow_background