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2022 abs anthro big_muscles biped blue_eyes blue_hair bottomwear bulge clothed clothing detailed_bulge digital_media_(artwork)equid equine genital_outline grey_body grey_skin hair hi_res horse loincloth looking_at_viewer male mammal muscular muscular_male nipples partially_clothed pecs penis_outline pinup portrait pose shaded smile solo spread_legs spreading standing toony white_opium