Bog Standard Isekai - Chapter 37Book 3.

You thought being reincarnated as an extra-side character was bad? Imagine being thrown into the body of a villain who is disowned by his own family and discarded by the author.

On earth, Felix is just a normal guy, a bit of a loner but otherwise normal. In the multiverse, under the rule of The System, he's a caster. Fascinated by magic and hungry to learn, grow and discover, this series follows Felix on his adventures through the integration and beyond.

I was a failed experiment

Cheng Mingyi was a little lonely throughout his life.

He only brought trouble for the brother who he grew up with and who always had his back. Through fate, due to an accident he became a second generation rich heir, Tan Feiyang. He thought, this time he could repay his Fifth brother.

Jian Ningzhe, became a first class actor with third rated reputation. One day, the infamous Tan Feiyang gave him an olive branch…

Jian Ningzhe refused to accept the hidden meaning behind it. Tan Feiyang “…Did he just ignore my present for him?”

- Description from Novelupdates