1boy, 1girl, black_hair, blonde_hair, blue_background, blue_eyes, brother_and_sister, character_name, crossed_arms, earrings, eyelashes, fingernails, green_shirt, gym_uniform, jewelry, long_sleeves, looking_at_viewer, shirt, short_hair, siblings, simple_background, smile, standing, turtleneck, twins, twitter_username, white_background, white_shirt