3girls, d, aekun_cben, animal_ears, arona's_sensei_doodle_(blue_archive), balloon, belt, belt_collar, black_camisole, black_hair, black_overalls, blue_archive, blush, camisole, character_name, closed_eyes, collar, confetti, dog_ears, dog_tags, facing_viewer, hair_bobbles, hair_ornament, halo, happy, happy_birthday, hibiki_(blue_archive), kotori_(blue_archive), low_twintails, medium_hair, multiple_girls, off_shoulder, open_mouth, out_of_frame, overalls, purple_belt, sensei_(blue_archive), smile, solo_focus, strap_slip, twintails, twitter_username, upper_body, utaha_(blue_archive)