Love goes a long way ( sequel to merry Christmas Darling)

After Christmas (y/n) and Mettaton have been planning their wedding with their new child friend that Mettaton had met they find out her name is Blue Blook . Mettaton wonders if she's a relative being a Blook but what they don't know is her soul trait ....or who she is....but later they figure out she's the Soul of corruption....Will (y/n) and Mettaton's love go a long way or. ...is it. G.A.M.E. O.V.E.R.