when the villian becomes male lead after transmigration [BL]

⚠Warnings⚠ :- english is not my first language so there could be some grammatical issues and this is my first story writing so it can also not turn out as your expectations. This story is BxB and also you can read it in the title and it may have some sexual but not ap far moments so if you're homophobic I insist you to not read this or spread any type of hate
Thanks you,

.・゜゜・.・゜゜・.・゜゜・.・゜゜・

CHENG LU, a boy, there was no one in his life whom he could depend on other than himself as he was the only son of his parents, but when his parents died, his life became bad, but, as soon as he got adopted his life got worst, his step-parents would beat him if he didn't do the chores neatly and many more and he grew up to 19, his life was the same, no friends, no supportive parents etc. he worked to earn himself money to study. once on a sunny day Cheng lu was walking to his way towards the college when he saw a cat in the middle of the road and there a truck coming he ran toward the cat to save it, but, little did he knew? That, this was going to change his life? soon he got hit by the truck and lost his consciousness, thinking, "was it the last? mom, dad, did I do anything wrong? why it's always me? am I going to die?" as thinking about all these things, the vision got black and he feels a hard pain in his head, but he woke up he found himself in a tragic novel, he was reading before dying, and his fate, he was the main villian. how will it work out if he tries to avoid anything? and changes the storyline?