Rule 34 Dev - 1girl alternate_costume armpits arms_up black_hair black_shorts blue_eyes breasts cleavage closed_mouth dolphin_shorts highres hololive hololive_english large_breasts long_hair navel ouro_kronii short_shorts shorts simple_background solo sports_bra steb tying_hair virtual_youtuber white_background white_sports_bra|25564384404