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4:3 abs anthro anus bent_legs biceps big_muscles blonde_hair bodily_fluids bulge delga detailed_bulge dragon duo embarrassed goo_creature hair half-closed_eyes hi_res kuromaru living_underwear magangz male monster_(game)mugen muscular muscular_male mythological_creature mythological_scalie mythology narrowed_eyes nipples non-mammal_nipples nude open_mouth pecs presenting presenting_anus quads red_body restrained restrained_by_tentacles scalie slime spread_anus spread_legs spreading suspension sweat tail tentacle_around_arm tentacle_suspension tentacles tentacles_around_legs vein veiny_muscles yelling