Comments of chapter undefined of I AM A GAO FUSHUAI VILLAIN

so, what I don't understand is ... . *- is he Gao Fushuai but is also a villian..? *- If he is Gao, then why is he named Lin Yuan...? *- But if he's Lin Yuan, then where did that Gao fusu came from..? *- Are 2 different stories mixed mashed...? . (┛◉Д◉)┛彡┻━┻ *- Now everything is confusing