In the cold snow storm in Antarctica a base called Chaldea is secret area only known to mages and what those who work here do is look into the past of humanity to see if their is any disturbance to human history.
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In this world mages are able to summon one servant to help them and these servants are historical figures like King Arthur or Gilgamesh to aid them in battle.
But the year 2015 would be the year Chaldea would change no longer being to correct history but to save it from the danger to come from the highest holy Grail war the Grand Order.
(Room of Chaldea)
In one of the rooms a dimension wall appeared and out came a man in business suit with a magenta shirt and a camera to take pictures of his journeys of the world's he visits.
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"About time I got in" this person is Y/n L/n the new Kamen Rider decade but was given the DiendDriver by daiki kaito including all of his cards and with everything Y/n has gone to world to world and either saved or destroyed them.
"In that last world I had to deal with power hungry general of some floating city who wanted my driver" Y/n said as he felt relieved he left that world and no longer has to deal with it.
"Guess I better find the master before Grand Order starts" the rider said as he exited the room and proceed to walk not finding any one until he found a girl on the ground with orange hair and another girl with light purple hair waking her up as Y/n approached them.
"W-who are you?" the orange haired girl who just woke up and asked the girl with light purple haired and she answered her question.
"I see... Not someone whose name is worth mentioning, I guess" the light purple hair girl answered the other in a sort of robotic tone until correcting herself.
"I mean, I have a name but I don't get to use it that often" the purple hair girl said as she turned to look back at the orange haired girl who is still on the floor until both heard footsteps and they turned and saw Y/n walking towards.
