Fate/Grand Order RPG

suddenly,I woke up and I saw that there was a girl with short purple hair,purple eyes,glasses,a black shirt,long black socks,black shoes and a white jacket looking at me and there was a fluffy white creature with blue eyes and a red ribbon around it's neck and when I asked who she is she said that her name is Mash Kyrielight and that creature's name is Fou,and he is like a pet,when I asked where I am,she said that I am in Chaldea Security Organization,a Organization focused in studying about magic and helping the humanity and one of the leaders of Chaldea appeared and he said that his name is Levi Lainur Flauros,and he asked my name and I said that my name is Ellyson and he said that I am the 49th master candidate of Chaldea and the last Master to arrive there and he said to me to hurry up to go to the room where the other candidates and Director Olga Marie Animusphere were but when I arrived I was too asleep and the Director was too mad at me that she said to me to leave, because I was not paying attention and I arrived at a place that maybe it's my room and I saw a guy with orange hair with a ponytail and green eyes and a scientist outfit and he said that he is Doctor Romani and I noticed that he's pretty funny and hilarious and likes to make jokes but he also knows a lot about the science of magic and after some minutes, the lights of the Chaldea base started becoming red,it was a warning of danger,and when I arrived at the Rayshift room,it was on fire,all of the other master candidates were unconscious,director Olga Marie Animusphere and Lev Lainur Flauros disappeared and Mash was smashed by a block of concrete and when I helped her,my hands burned,and she said to me to give up and I said that I won't,but after Romani arrived to put the other master candidates into cryogenic capsules and after he left again to regain the control of the base,a block of concrete was about to fall over me and Mash when suddenly everything went white and when I woke up again I saw myself in the destroyed city of Fuyuki in 2004 and a skeleton monster with a sword tried to attack me but Mash appeared to save me and her appearence remained the same but her clothes changed,now she had black battle clothes with purple lines,black boots,long black gloves and she was carrying a big and large black shield with the form of a cross and the shield had a big grey circle in the center and she was also more courageous and serious and after the battle,she explained to me that before we made the accidental Rayshift to Fuyuki of 2004,she made a contract with a mysterious servant that appeared and he gave her his powers and abilities and now we are exploring the Fuyuki of 2004 while trying to find director Olga Marie Animusphere after we got a call from Romani in one of the communicators and when I looked at my right hand I saw a red symbol and Mash explained that I am now a Master,her Master and she is now my servant