1girl, absurdly_long_hair, blue_background, blue_hair, blue_sclera, blue_skin, breasts, colored_sclera, colored_skin, gradient_skin, hands_up, horns, invisible_chair, long_hair, looking_at_viewer, monster_girl, navel, no_feet, parted_lips, ruteko_(ruko220), sea_slug, sea_slug_girl, sitting, small_breasts, smile, solo, underwater, very_long_hair