The Demon Monarch System - Chapter 44 - Newfound Resolve

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.

Transmigrating to a lawless person and then directly upgrading to a little brat’s stepmother. Xiao Ting said, “Crap, there’s no need to even give birth to a child. God, I love you so much …”

- Description from Novelupdates

You Liangxing would never open the speech function in game.

“Shit, why this guy!?”Of all the unique characters he could’ve transmigrated as, it had to be the bastard instructor.Vanitas Astrea.A third-rate middle game boss, who was dismissed from the University after severe allegations, losing his teaching profession and ultimately, exiled from the Empire.“.....How did I even get here!?”Vanitas must now circumvent his way around this new world, confront his past, mend broken relationships, and prevent looming tragedies that would lead to his demise.