FURVERT!

2_horns against_surface against_wall anthro anus back_muscles balls black_body black_scales bone butt claws dark_body finger_claws forearm_muscles genitals glans glowing glowing_genitalia glowing_glans hi_res ho_tdoug horn human humanoid kafka_hibino kaiju kaiju_no._8 kaiju_no_8 looking_at_viewer looking_back looking_back_at_viewer male mammal not_furry nude penile_spines penis rear_view scales skull skull_head solo spikes spine teal_eyes teal_glans