1girl animated black_mask black_tail blue_archive chibi coat ein_(blue_archive) full_body long_sleeves looping_animation mask medium_hair respirator sechi_(sechihyeo) simple_background solo tail tail_wagging two_side_up video white_background white_coat white_hair
1girl black_mask black_tail chibi coat full_body long_sleeves mask medium_hair respirator simple_background solo tail tail_wagging two_side_up white_background white_coat white_hair
ein_(blue_archive)
blue_archive
animated looping_animation video