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2013 anthro biceps blade bulge canid canine canis clothing countershading crouching dark digital_media_(artwork)full_moon fur green_eyes hair jewelry light looking_at_viewer male mammal moon moonlight muscular muscular_anthro muscular_male necklace night ninja outside purple_body purple_fur purple_sky purple_theme rock sky solo solwolf star starry_sky warrior wolf zeta-haru