add manly tits size

sugarcube/src/playerCharacter/PlayerCharacter.ts

@@ -944,6 +944,7 @@ class PlayerCharacter implements Character{
 	set pcs_cupsize(v){this._cupsize = v;}
 
 	get tits(){
+		if(this.pcs_cupsize <= 0)	  return -1;
 		if(this.pcs_cupsize <= 5)	  return 0;
 		if(this.pcs_cupsize <= 10)	 return 1;
 		if(this.pcs_cupsize <= 15)	 return 2;