Tangled By Fate - Chapter 1 - A MISTAKE

One of the world’s top killer who was fed up with his life tried to retire and live as a security guard at Jiang Yuan University. He only wanted to adapt to the life of an ordinary citizen and blend into the society. However, he didn’t expect that a random encounter with a beautiful girl, who was also the prettiest girl in the university, will become the key to a fierce pursuit, and at the same time, all kind of beautiful women, as well as powerful enemies came into his life.

Let’s watch over the journey of this Versatile Security Guard. Let’s see how he will obtain various beautiful flowers and eliminate his enemies and step on the head of powerful villains.

I only wanted to be a small security guard, Xu Taping said while lying in the lap of a beautiful flower.

- Description from Novelupdates

Michael was suddenly reborn into a another world by a God because of an accidental death. To make up for this fact, the God gave him another life in a fantasy world of swords, magic, and monsters.Unfortunately, it turned out that the world he was reborn into was still stuck in the medieval times. It didn't have electricity, it didn't have proper plumbing, and it didn't have any technology that he was so used to back in his old world.But thanks to the God's blessing and an AI assistant called ChatJK1, he was given the power to MAKE his life comfortable. Slowly, Michael transforms this new world into a place even better than his previous one by taking ideas from the modern world and putting it in this world, with the added bonus of magic.

The summer I was 17. A painting I created was sold. For 1.4 billion won.

When she woke up, Lake returned to the classroom of the third year. The classmates were in class with swords and sticks, and the teacher became a female Taoist.
The little fat man in the back seat, how to put two big hammers under his chair.
Rick found this to be a global era!

- Description from Uukanshu (translated)