The Heartfilia Twins

When Twin Celestial Mages are born, they are both able to form contracts with the same spirit. They are rare, born every one thousand years. And it looks like the Heartfilia's are in for a surprise. They weren't expecting the second blonde child but they welcomed her with open arms. After being separated for years, the twins are finally being reunited!!! Just days after Lucy joins the Guild!!! What happens when her twin shows up and also joins? And what of the Celestial Mage-fearing Loke?