2boys, 4girls, aqua_eyes, aqua_hair, arm_up, balloon, birthday, blonde_hair, boots, bow, character_name, closed_eyes, confetti, detached_sleeves, fang, from_above, hair_bow, hair_ornament, hairclip, hands_together, hands_up, happy, happy_birthday, headphones, light, light_particles, long_hair, looking_up, multiple_boys, multiple_girls, necktie, open_mouth, pink_hair, reaching_out, red_hair, sailor_collar, shadow, short_hair, shorts, siblings, smile, twins, twintails