Reincarnated into Madness: Yandere Family's Unwanted Slave - Chapter 1 - : Is this peace?.

Due to his own carelessness, Duanmu Huai finds himself transported into the world of the game “Star Ocean Online.” Starting from a humble core capsule, Duanmu Huai ventures across the starry sea to countless worlds. He awakens powers that have long been dormant, confronts threats lurking in the depths of the universe, and sets his sights on dominating the galaxy!

Accidentally reborn as the son of the distant cousin of the Squib, the mother of Harry Potter’s friend Ron, and lived in this world as the second generation of Squib for eleven years.

He originally planned to be an accountant like his father in the future, but he didn’t expect fate to play a joke on him, and he didn’t know the slightest bit of magic, but he received the exact same envelope as his sister on his eleventh birthday.

Due to the expectations of his parents, he reluctantly accepted the reality, but inadvertently discovered another secret…

- Description from novelbuddy

Yun is a novice MMO player who equipped only unpopular skills labelled as garbage. However, soon after the official launch of the game, the NPCs stopped selling Recovery Potions. Everyone finally started to notice the importance of Support Magic and Items. And that spells trouble for Yun as well as all the other support-based players. They received orders for recovery potion from endless flood of players en masse, some more aggressive players even go as far as forcing the support players to be their personal craftsman. In order to prevent this from going out of hands, all the support players grouped together to form a community to keep things in order.

Lin Yan is a professional car racer who fell from grace after her sister set her up. She becomes an actress for the sake of her boyfriend, who later cheats on her with her sister. Her life, career and relationships reach a slump.

Enter Pei Yucheng, the president of the JM corporation—a multinational conglomerate. He is unfathomable, cold and aloof. At random, he would mysteriously lose control of himself, and Lin Yan is the only one who is able to calm him down. The first time she meets him, she feels an indescribable fear deep within her soul. Unbeknownst to her, they had met each other a long time ago, but she had chosen to forget him…

Soon, something puzzling and strange begins to happen to her. Occasionally, she loses consciousness and ends up in Pei Yucheng’s room the next day, completely unaware of how she ended up there. She suspects that something has possessed her…