Transmigrating as the Younger Sister of a Bigshot with Multiple Identities - Chapter 9

Lyle Walt is a young noble boy and heir looking forward to the day he can inherit his family’s territory. Except around when he was 10 year old, his parents started neglecting him more and more in favour of his little sister, Celes.
On his fifteenth birthday, he is challenged to a duel by his sister to see who will inherit the household and horribly loses, being cast out of his family. Afterwards, he gets treated by the family groundskeepers and receives the family heirloom Gem from him that Lyle’s grandfather had entrusted to him. From there, he begins an aimless journey with his childhood friend and former fiancée, Novem, and the Gem-turned-Jewel that houses the memories, personalities, and Skills of seven of his ancestors.

When he first crossed over, Chen Liguo did not want to accept it.

My name is Joelson, and I traversed across the world. I arrived at a continent of sword and magic and became a noble sorcerer.

The strongest hero of humanity, Kim Sung Bin.