MTL - I, a Demon Slayer Girl, is Invincible! - Chapter 217

A Mysterious continent, with many powerful sect and countless strong one. Juvenile Zhou Heng with a mysterious black broken sword, from the original stone town out into this world of war. Ascended the throne of the world with only a sword in hand.

- Description from Novelupdates

The story follows Danheng, who transmigrates to the Douluo Continent seeking a peaceful life, only to be persistently pursued by Gu Yuena, who insists on becoming his wife. She encourages him to strive for greatness, aiming for him to become the leader of soul beasts, the Dragon God, and the ruler of the Divine Realm. Despite his desire for a quiet life as a librarian, Danheng finds himself entangled in various challenges due to his wife's ambitions.

Jiang Feng, a handsome young martial artist, was injured during a misadventure and ended up being saved by the sisters Yaoyue and Lianxing of the Palace of Shifting Flowers, who were considered the most powerful female martial artists in the pugilistic world. The two sisters fell in love with Jiang Feng, but he spurned them because of their arrogance. Instead, he fell in love with their servant girl, Hua Yuenu.

Jiang Feng and Hua Yuenu were forced to flee from the Palace after Hua became pregnant with Jiang’s child. However, they ended up being betrayed by Jiang Feng’s servant, Jiang Biehe, and attacked by bandits. During their harrowing flight, Hua Yuenu gave birth to a pair of twin boys abut ended up dying together with Jiang Feng during a bandit attack. Yaoyue and Lianxing soon caught up with the couple only to find them dead. Refusing to forgive Jiang Feng for rejecting her love, Yaoyue vowed to take her revenge by making his two sons destroy each other. To do that, they adopted one of the boys as their own child and abandoned the other.

The other boy was soon saved by Yan Nantian, Jiang Feng’s sworn brother and one of the most powerful martial artists in the pugilistic world. Unaware of the first boy’s fate, Yan Nantian pursued Jiang Biehe into the Villains’ Valley, a place populated entirely by criminals. There, he encountered five of the notorious Ten Great Villains whom he defeated easily before falling into a trap set by them. The villains ended up torturing Yan Nantian till he fell unconscious, but chose not to harm the second boy, instead deciding to raise him as their apprentice in order to groom him into the greatest villain in history.

Satou Shiki a Japan present-day university student suddenly one day he got attacked by a slasher when he open his eyes he was already transferred to another world’s labyrinth city. In that another world he who was awakened to do a lot of “things”.