1girl, arm_behind_back, aru_(blue_archive), beach, bikini, black_bikini, blue_archive, blue_sky, breasts, closed_mouth, cloud, day, halo, horns, large_breasts, light_smile, long_hair, looking_at_viewer, navel, ocean, orange_eyes, outdoors, pink_hair, ryokuchabushi, sitting, skindentation, sky, solo, stomach, strap_gap, swimsuit, thighs, yellow_eyes