2girls, ahoge, blue_sailor_collar, blue_swimsuit, blush, cowboy_shot, dated, multiple_girls, one-hour_drawing_challenge, one-piece_swimsuit, parted_lips, pink_eyes, pink_hair, sailor_collar, school_swimsuit, school_uniform, serafuku, short_hair, short_sleeves, signature, swimsuit, swimsuit_under_clothes, twitter_username