Black Iron Magician - Chapter 12: First Battle

One day, Katsuragi Daichi and his classmates found themselves in a different world. The god who summoned them to another world divided its power and gave it to them, saying that it wanted Daichi and the rest to defeat the Demon King as heroes. However, Daichi alone was given no abilities. And sure enough, Daichi was thrown away and used as a decoy in a demon’s den. Eaten by a demon, Daichi had lost consciousness and thought he had passed away, though when he came to he noticed his statuses had skyrocketed. He had obtained『Revenge of the Resented』. Every time he died, his abnormal ability powered up.

Xiao Yu, who was a student from modern Earth, accidentally transports to another world and becomes the lord of a territory. Facing an unfavorable situation, he vows to take back his family business, build his new territory, kill all of those who covet his wealth, and dominate the world!

- Description from Novelupdates

The handsome Emperor falls in love with a Knightess! Knightess Poliana loses to the Acreian Army and despite her struggles to survive in a male infested military, she is now about to die. But then, the young king of Acreia sees her efforts and tells her: "I have a dream, I wish to conquer the world and become an Emperor, would you like to join me?"

He Bai won the lottery, became rich, and reached the pinnacle of life. Then, he inadvertently took a picture of the Film Emperor Di Qiuhe being killed. And after reporting this case to the police, he was reborn in a midst of confusion.

He Bai: I don’t have any horrible relatives to abuse. Why was I reborn?

Di Qiuhe: But I do.

He Bai: I also haven’t been betrayed or harmed by anyone. Why was I reborn?

Di Qiuhe: But I have.

He Bai: I just want to have some money to live freely and eat well. I already achieved that goal, so why was I reborn?

Di Qiuhe: I have money, but don’t live freely or well.

He Bai angrily flips the table: So what’s the use of my rebirth! Just to make me suffer again?!

Di Qiuhe (Holding and Touching He Bai): Be my lover, you’re only responsible for eating “lollipops,” you won’t eat any bitterness.

He Bai: Leave!

So basically, this is a sweet story of a naive and cute person who goes back to the past, flaps his little butterfly wings, and helps the man who used to be last life’s big Film Emperor, but in this life, is still a miserable Great Devil King, to walk towards the pinnacle of life (while also dragging someone home)!

- Description from novelupdates