Game disapeard From store HELP please

Hello all im new here im hoping to find some help here on my issue

3 weeks ago i took the Def Eddition from the microsoft Store at sale price

i played under the Name D3stroYer . however last night i had to do a format C

now im back in the store with the same email adres and now the price tag is back plus i only have a base game now … im not sure what to do i did pay for the game but now i cant get it back? i did change my microsoft pass

but im not sure what went wrong did i not had an acount before the purchase …guest orr my name has changed to a random xbox name its kind of confusion what is going wrong here thanks it advance