1girl, ahoge, animal_ears, blue_one-piece_swimsuit, borrowed_character, breasts, closed_mouth, collar, dark-skinned_female, dark_skin, green_eyes, long_hair, looking_at_viewer, mawaru_(mawaru), one-piece_swimsuit, original, outline, outside_border, school_swimsuit, simple_background, small_breasts, smile, solo, swimsuit, titi-chan_(nezumi_inu), white_background, yellow_eyes, yellow_outline