1girl air_bubble armor bow breasts bubble cleavage_cutout clothing_cutout clownfish commentary coral earrings feeding fish hata_(pixiv4102938) helmet japanese_armor jewelry kusazuri large_breasts long_hair mermaid monster_girl moorish_idol navel navel_cutout open_mouth photoshop_(medium) pink_eyes pink_hair samurai scales sea_turtle shingoku_no_valhalla_gate shoulder_pads solo_focus starfish sunlight sword tropical_fish turtle underwater vambraces weapon