Did the Heroic Spirit I conquered become a reality?

Yu Tohsaka, the adopted son of the Tohsaka family, later went to the Clock Tower for "advanced studies".
According to the original plan, he should have pursued a career as a magician after graduation... until he accidentally obtained a game disc.
After opening the game disc, he entered the game world and encountered Tiamat right at the start.
[Mission Requirements: Fight alongside Tiamat]
"Wait a minute, why isn't it me saving humanity?!"
Yu Tohsaka quickly discovered the blind spot, but he still managed to complete the system task successfully and spent a wonderful time with Tiamat.
……
After that, he went through several different game routes. In Britain, he was King Arthur's childhood sweetheart. In the Fourth Holy Grail War, he had a girl who loved him... her name was Sajō Aika.
After finally completing the game, Tohsaka Yu was about to put the game disc away for safekeeping when, on a sunny afternoon, all the Heroic Spirits she had previously conquered came to her door.
Knight King, Enchantress Morgan, Tiamat, Princess of the Root... Looking at the unique Heroic Spirits before him, Tohsaka Yu was already sweating profusely.
"The Heroic Spirit I conquered in the game... has actually become a real person?!"