The New Lar's (Steven Universe / Lar's)

What if the unknown Archer from the Fate/Grand Order Verse was the new host of the some nobody donut boy within Beach City, The central of all weirdness and the base location of the Crystal Gems!

Archer after disappearing and giving in to his alternate past self desire to be a hero of justice... Soon found himself in a new body, a new voice and a new life.

How will Archer persist in this new world in a body that everyone knew and yet he has no memory of everyone within this vessel body!