Rule 34 Dev - 1girl a-chan_(hololive) alternate_costume armpits arms_up black-framed_eyewear black_tank_top blue_hair breasts cohi27151463 commentary facing_viewer glasses head_out_of_frame highres hololive lips parted_lips short_hair sideboob small_breasts solo stomach tank_top upper_body virtual_youtuber|22466111499