Fix.

code/__HELPERS/_cit_helpers.dm

@@ -162,8 +162,11 @@ GLOBAL_VAR_INIT(miscreants_allowed, FALSE)
 	if(!L)
 		L = get_equipped_items()
 	for(var/obj/item/I in L)
-		if(I.body_parts_covered & GROIN & !I.do_not_cover_butt)
-			return FALSE
+		if(I.body_parts_covered & GROIN)
+			if(!I.do_not_cover_butt)
+				return FALSE
+			else
+				return TRUE
 	return TRUE
 
 /mob/living/carbon/proc/is_chest_exposed(var/list/L)

modular_citadel/code/modules/arousal/arousal.dm

@@ -78,6 +78,9 @@
 						amt_nude++
 					if(getorganslot("vagina"))
 						amt_nude++
+				if(is_butt_exposed())
+					if(getorganslot("anus"))
+						amt_nude++
 				if(amt_nude)
 					var/watchers = 0
 					for(var/mob/_M in view(world.view, src))