2boys, air_bubble, animal, arm_tattoo, black_pants, blonde_hair, blue_background, blue_eyes, bracelet, brown_hair, bubble, chest_tattoo, collared_shirt, completely_nude, coral, coral_reef, dark-skinned_male, dark_skin, ear_piercing, earrings, facial_hair, fins, fish, floating_hair, full_body, grin, interspecies, jewelry, long_sleeves, looking_at_another, male_focus, merman, monster_boy, multiple_boys, necklace, neko_miya, nude, open_clothes, open_mouth, original, pants, pendant, piercing, ring, scar, scar_across_eye, scar_on_stomach, sharp_teeth, shirt, short_hair, smile, stubble, swimming, tattoo, teeth, toned, toned_male, tropical_fish, underwater, upside-down, white_shirt, yaoi