1girl, o, ahoge, bikini, bikini_under_clothes, blue_eyes, breasts, from_below, hiroki_(yyqw7151), large_breasts, long_hair, looking_at_viewer, navel, no_pants, orange_hair, pecorine_(princess_connect!), princess_connect!, shirt, simple_background, solo, stomach, swimsuit, upshirt, white_background, white_shirt