FURVERT!

2:3 absurd_res alien anthozoan anthro anthrofied aquatic balls bioluminescence bioluminescent_plants blush butt cnidarian coral digital_media_(artwork)duo erection fellatio fish foreskin fully/fully_submerged fully_submerged gasopod_(subnautica)genitals glowing glowing_plants hi_res humanoid_genitalia humanoid_penis male male/male male_penetrated male_penetrating male_penetrating_male nervous nude open_mouth oral penetration penile penis plant sea_grass sex sex_in_water shark slightly_chubby smile subnautica sylvanedadeer tongue tongue_out underwater underwater_sex unknown_worlds_entertainment water