Romulus

The founding hero of Rome that appears in Rome's foundation myth. Born from the God of War Mars and the beautiful princess Silvia, it has been said that he was raised with a beast of the gods, a wolf, as a friend. The King of Nation Building (建国王, Kenkoku) who laid the foundations of the ever glorious Great Empire of Rome that absorbed the Mediterranean nations. The deep crimson Divine Ancestor.

(Source: TYPE-MOON Wiki)