The 3rd MasterBEAST 1 of Chaldea

The Fujimaru twins weren't the only masters that the servants within Chaldea Had. There was a third who appeared in the middle of the seven Singuarlites from a different timeline from theirs. The 3rd master gained self-worth and matured greatly among the twins. Went through the Epic of Remnants and unfortunately like with the Fujimaru twins forced to become...(Full summary inside)