Rule 34 Dev - 1girl animated backpack bag blue_hair child clip_studio_paint_(medium) closed_mouth colorful expressionless female hair_ornament holding_strap looking_at_viewer making-of_available marusu_(maru_marusu) one_side_up original randoseru shirt short_hair smiley_face smiley_hair_ornament solo sound upper_body video white_shirt|3711612238