+_+, 1girl, ?, aqua_necktie, at_balon, black_panties, blue_archive, blush, blush_stickers, halo, jacket, koyuki_(blue_archive), long_hair, long_sleeves, looking_at_viewer, lying, necktie, on_back, open_clothes, open_jacket, panties, pink_eyes, pink_hair, shirt, simple_background, skirt, solo, thighhighs, twintails, underwear, very_long_hair, white_background, white_jacket, white_shirt, white_thighhighs