Made Yan Yan come by herself" Nie Shuching slapped her son. "Where's the gentlemanly conduct I taught you""...I'm planning to give him a surprise." Ou Yan explained again."Goodness me, you're so thoug... firing four bullets.This is not their original creation. Foreign secret armies used such weapons on the battlefield at the end of the 19th century. However, Ou Yan has improved upon their old models...