Rule 34 Dev - 1boy asriel_dreemurr black_sclera colored_sclera erection facial_mark fangs floppy_ears furry furry_male goat_horns highres horns looking_at_viewer male_focus one_eye_closed open_mouth penis purple_robe raichiyo robe tearing_up testicles undertale white_fur white_hair yellow_eyes|25673269167