1girl, ahoge, armpits, bdsm, bikini, bikini_skirt, bondage, bound, brown_hair, flower, frilled_bikini, frills, green_eyes, hair_flower, hair_ornament, hololive, indoors, medium_hair, natsuiro_matsuri, natsuiro_matsuri_(hololive_summer_2019), navel, oishi_kuwagata, open_mouth, restrained, side_ponytail, solo, stomach, sunflower, sunflower_hair_ornament, sweat, sweatdrop, swimsuit, tan, tanlines, virtual_youtuber