Raidorl Seiken Senki - Chapter 40: The Demon God of Mischief.

A man suddenly finds himself inside the world of his favorite game, Brave Hearts, after a night of gaming...Mistaken for “Raye Alvah,” the ruffian second son of a duke, he faces hostility from strangers and is publicly disowned by the noble family!And as he pieces together his strange new reality, he realizes he’s living as a minor villain destined to be forgotten after being defeated by the protagonist!And now...“Fuck this shit, why did it happen to me?”He must adapt to survive in this world.

This is a world where science and magic coexist.

Some people here seek powerful magic, and some seek eternal truth.

A science tyrant who came from another world, started as a little librarian, with magic in his left hand and truth in his right, kicking the door of the new century with one kick.

Some people call him the forerunner of magic, some say he is the founder of science.

Some people describe him that way.

In the new century, Blair is a symbol of evil.

- Description from novelbuddy

A mysterious car accident caused her to be bedridden for three years.

After Ning Qing woke up, she learned two things.

One was that her elder twin sister had died in a car accident three years ago.

The other was that she had already married someone.

Her husband was Nian Lie, the eldest son of the Yan family who owned the biggest conglomerate in Yan City.

He treated her as a substitute for her elder sister. While he put her through torture, he would tell her that he loved her with reddened eyes.

Initially, Ning Qing wanted to divorce him, but later on, she indulged in his ambiguous love.

Until she stood outside the wedding venue where he was about to marry another woman.

Her heart was dead. Nothing was worth holding back anymore.

She wanted to escape, but she was unwilling to let him live the rest of his life peacefully.

Hence, under the reporters’ flashing lights, she stepped onto the bridge and jumped off with her nearly due baby…

Zheng Tan somehow returns to the year 2003, turning into a black cat. Picked up from a rubbish heap by the Jiao family, he is given the name “Charcoal”, and so begins the life inside Professor Jiao’s family. Zheng Tan remembers that he was once a person, but currently his body is that of a cat. He has no way of speaking the human language, but can understand it, and even retains the thinking and IQ of a young 20 year old youth. Read along as he adapts to this new world, and somehow tumbles from a group brawl to catching a thief.

- Description from Novelupdates