FURVERT!

2016 4:3 4_arms 4_fingers against_surface against_wall anthro aquatic balls biceps big_balls big_penis biped bodily_fluids cetacean countershade_face countershade_torso countershading cum cumshot detailed_background digital_media_(artwork)dolphin ejaculation erection eye_markings eyebrows fingers fist foreskin gaping_mouth genital_fluids genitals glans greyscale half-closed_eyes hand_behind_head hand_on_penis holding_penis humanoid_genitalia humanoid_hands humanoid_penis inside male mammal markings masturbation monochrome motion_lines multi_arm multi_limb multicolored_body multicolored_skin muscular muscular_anthro muscular_male narrowed_eyes neph nude oceanic_dolphin open_mouth orca orgasm orgasm_face partially_retracted_foreskin pecs penile penile_masturbation penis portrait shaded signature sitting sketch snout soft_shading solo sound_effects spa teeth text three-quarter_portrait tongue toothed_whale towel two_tone_body two_tone_skin