Rule 34 Dev - 1boy 1monster animate_inanimate anthro artist_upload big_blue_bubble blank_background bleeding blood blood_drip blood_on_ground cyclops flasque flying_sweatdrops glass green_blood grey_background humping leg_up lifeblood liquid male male_only masturbation monster motion_lines my_singing_monsters no_humans non-human non-human_only object_insertion one_eye one_eye_half-closed onomatopoeia penis quadruped rock self_upload simple_background solo solo_male steam steamy_breath transparent_body unusual_anatomy unusual_bodily_fluids yellow_sclera|10225805216