3girls, arle_nadja, blue_footwear, blue_skirt, blush, boots, brown_hair, character_name, happy_birthday, long_sleeves, looking_at_viewer, madou_monogatari, multiple_girls, multiple_persona, open_mouth, ponytail, puyopuyo, ri25to, short_sleeves, side_ponytail, skirt, sleeveless, smile, yellow_eyes