1girl, black_legwear, eyeball, from_behind, green_eyes, heart, heart_of_string, long_sleeves, looking_at_viewer, looking_back, lying, miniskirt, no_hat, no_headwear, on_stomach, shadow, shirt, short_hair, silver_hair, simple_background, skirt, smile, solo, string, thighhighs, third_eye, twitter_username, white_background, zettai_ryouiki