1girl, aga_marino, aru_(blue_archive), bare_arms, bare_shoulders, black_one-piece_swimsuit, blue_archive, blunt_bangs, blurry, blurry_background, blush, breasts, horns, large_breasts, long_hair, lying, on_stomach, one-piece_swimsuit, open_mouth, pink_hair, solo, swimsuit, yellow_eyes