Child Of The Saviour From The Distant Future (Fgo x Male reader) {slow update}

Y/n the son of Gudako the saviour of humanity and now walk the path of saviour just like his mother was once

He went back into the past to save the timeline from being wiped or changed by the enemy that arise in the future after the death of Gudako

And now want to kill Gudako in the past to change the future, and stop her Grand Order mission