Kamen rider Saber X Genshin Impact: The Impact of the Almighty world

This is the tale of a boy named Y/n who searches around the world for his parents after they disappeared when he was a child. While on his journey he writes stories to one day tell his own tales to everyone in the world so he can make them happy. But his story will get even more interesting when he discovered a dark order trying to take over the world while there is another order who is doing their best to stop them. Y/n will take part of this battle when he becomes the flame swordsman also known as Kamen rider Saber to fight this threat while discovering secrets along the way.