2girls, age_difference, aged_down, ai-chan_(tawawa), asymmetrical_docking, backpack, bag, blue_theme, braid, breast_press, breasts, dual_persona, getsuyoubi_no_tawawa, hair_bobbles, hair_ornament, himura_kiseki, hug, large_breasts, looking_at_viewer, monochrome, multiple_girls, necktie, open_mouth, pleated_shirt, pun, randoseru, school_bag, school_uniform, short_hair, small_breasts, smile, sweatdrop, time_paradox, unbuttoned, unbuttoned_shirt, white_background