a_(xenoblade)
Character from Xenoblade Chronicles 3: Future Redeemed. An enigmatic person who aids Matthew (xenoblade) in his quest to find and save his little sister Na'el (xenoblade). A somehow resemble Alvis (xenoblade) from Xenoblade Chronicles 1.
A is actually Alvis "himself". That is, A is the Ontos core's humanity and personality separated into a different body.