Hetalia : My Undead Boyfriend

Matthew William's was working the late shift in the Er, when he got the call,That one call that would change everything .
He can't seem to process when his boyfriend Gilbert is killed during a home invasion . How do you say goodbye to the one person who has ever really seen you for you ? Good thing for Mattie ... he may not have to . Thanks to his brother quirky scientist fiance and his crack team of researchers . One of which being his German lovers little brother , Trio of skidish Baltic men , and a rather snotty Austrian .Through the miracle or maybe nightmare of science, can they bring back the Awesome East German ? And What challenges are there when your dating a zombie ?