2girls, air_bubble, ass, bent_over, blue_pants, breasts, brown_hair, bubble, cleavage, closed_mouth, collared_shirt, denim, different_reflection, dual_persona, from_behind, from_side, jeans, long_sleeves, looking_at_another, medium_breasts, medium_hair, mermaid, mirror, monster_girl, multiple_girls, original, pants, pocket, reflection, shell, shell_bikini, shirt, tamotsu_nagai, water, white_shirt