My days as a Simulation Herrscher since the Honkai Impact

Bai Chen, a traveler carrying a simulator, discovers that he can only simulate a Herrscher in the Honkai world.
"Mei, you're just a cook, the real Herrscher of Thunder is me, Bai Chen!"
"Kiana, you mere paramecium, how can you compare to the Herrscher of the Void!"
"Motorcycle Duck, watch closely, this is how the Herrscher of Reason uses her power!"
"I've altered Shi Lu's consciousness; now she's my maid..."
A playboy, a plot destroyer, a capricious demon king, who gained the power to negate the world from outside of it all—I, Bai Chen, will walk the path of the Herrscher today, leaving the Herrschers with no way out.
go.
(It will include Honkai Impact 3, Genshin Impact, the prequel, Honkai Impact 2, and Star Railway; it's part of the MiGame family of games.)
It's not a harem story; it's mainly about Iron Fist's education and the teacher's care (laughs). The actual title of this book should be "My Illiterate Rehabilitation Plan to Make All Herrschers Study Hard in the Honkai World."