Rule 34 Dev - 1boy 2d 4_fingers anthro anthro_male anthro_only asriel_dreemurr blue_eyes blush caprine clothed clothing clothing_lift english_text erection fur furry furry_male furry_only girly hair helsy humanoid humanoid_male humanoid_only humanoid_penis jewelry kneeling legwear male male_only mammal mammal_humanoid necklace open_mouth partially_retracted_foreskin penis shirt shirt_lift simple_background solo stockings teenager text uncut undertale undertale_(series) video_games white_fur white_hair young|2344142704