Rule 34 Dev - 1boy arms_behind_back bondrewd gills helmet interspecies made_in_abyss male male_focus mask masked masked_male mermaid_tail merman muscular muscular_male necklace octopus pecs restrained spes_2323 tentacle tentacle tentacle_grab tentacle_on_male topless topless_male whistle_around_neck zoophilia|7131314936