Trash of the Count's Family - Chapter 662: I guess I do have to step in? 4

Our protagonist Caam is a man from Earth that was reincarnated into this world as a demon. In order to survive, he spared no effort in avoiding the sparks of battle and without noticing it, he became strong himself.

Ling Chen was a peerless master hiding within the city hustle as a nobody-courier, until he stumbled into the world of the beautiful CEO, Nanrong Wanqing, the 'untouchable flower' of Donghai City, due to one of his work assignments. From then on, watch as his life is thrown into an exciting disarray!

Zhou Shiguang realized that everything she owns stemmed from a misunderstanding. That day an incident occurred and changed her fate. Now, she has nothing. Facing continuous harassment from her adoptive parents and Zhou family’s true heiress, Shiguang feels like she’s at a dead end.

In her desperation, she clings to Meng Yungui, the third heir of the Meng family. But this heir is definitely not an easy man to please. He may be rich and powerful but he’s got an awful personality. And yet Shiguang decides to persevere. She walks on thin ice with Meng family and every step must be taken with caution.

During this time, her career as an aspiring actress also begins to grow rapidly. From extras to lead roles, her experiences slowly extinguish her innocence and kindness, hardening her heart. And seeing this change makes Yungui gradually fall for her…

- Description from Novelupdates

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.