Re-Birth Of A Genius. Creator/Destroyer - Chapter 7: Confrontation

I really just want to lose money! T_T

Bai Xiaosheng, an ordinary worker, inherited a two-trillion-dollar world-class conglomerate!According to the will, he had to start from the bottom and embark on a journey of job promotion.He unlocked layer upon layer of system support functions, accessed massive funds, and dominated various industries within the group's subsidiaries, leading a triumphant life.“Let me tell you a secret,” he said, “even though I'm an employee, in reality, I am your boss!”

I originally thought this was a world like an ordinary urban novel…Drawing comics by myself, traveling is pretty good.
But tell me, what happened to this magician called “Emiya Kiritsugu” who jumped on my face?
Who changed the settings?
Currently involved in the content of “F/Z”, “F/SN”, “Fantasy Carnival”, “The Emiya’s Meal”, “The Holy Grail of the Imperial Capital”, “FLA”, “Elmello II Event Book”, “FGO”, “FE”, etc.
Others related to “JOJO’s Bizarre Adventure”, “Rebellious Lelouch”, “Persona 5”, “Attack on Giant”, “Death”
“FGO”, “FE Series”, “FA”, “FSF”, “Cangyin”, “Magical Girl Illya” will be involved next…

- Description from novelbuddy

Ian Percus, the second son of a countryside Viscountcy.

One day, he received a love letter from the future.

‘If we don’t protect the future, the world will perish.’

With an ominous warning scribbled by someone