1girl, armpits, basketball-yu-11, belt, bikini, blue_hair, blush, breasts, demon_girl, demon_horns, embarrassed, hair_ornament, halterneck, horns, jewelry, large_breasts, long_hair, looking_at_viewer, navel, necklace, open_mouth, presenting_armpit, princess_connect!, reflection, reflective_water, rei_(princess_connect!), rei_(summer)_(princess_connect!), solo, swimsuit, water