1girl, ball, bare_arms, beachball, bikini, bikini_under_clothes, blue_archive, blue_hair, blue_sky, breasts, chise_(blue_archive), chise_(swimsuit)_(blue_archive), cloud, cloudy_sky, day, flower, hair_flower, hair_ornament, head_tilt, horns, long_hair, looking_at_viewer, medium_breasts, navel, no_halo, oni, oni_horns, outdoors, purple_eyes, sailor_collar, sanzai_man, see-through, side-tie_bikini_bottom, side_ponytail, sky, solo, striped, striped_bikini, swimsuit, transparent, very_long_hair, white_flower, white_sailor_collar