1girl absurdres arm_up art_brush bangs blunt_bangs bow cropped_torso girls'_frontline grey_sweater hair_bow happy_birthday heart heart_print highres holding holding_paintbrush inkwell jewelry long_hair long_sleeves looking_at_viewer open_mouth paintbrush parted_lips pink_bow purple_hair red_eyes ribbed_sweater ring simple_background solo stigmamyu striped striped_background sweater turtleneck turtleneck_sweater upper_body wa2000_(girls'_frontline)