Start by Spending One Billion [Entertainment Industry] - Chapter 20

After Reincarnating into Naruto World at the Warring State Era as an Uzumaki, Masahiko thought that he got a useless System. He lived for 48 years as a normal, below average Uzumaki Shinobi.

That changed when he finally knew how the system works the day of his 49th Birthday!

- Description from Novelupdates

Since Suri disappeared, smiles and laughter seemed to have disappeared from the Clarke family home. Christian, who feels responsible for the disappearance of his younger sister, turns into a terrible figure, all ways and efforts Christian do to find his sister. In his search, Christian accidentally meets a girl who manages to return laughter to him. As his feelings deepen for the girl, Christian must be faced with a painful reality that makes him have to choose to continue his story or end it.

Elena Wilson, an ordinary girl who has a simple dream turns out to have many secrets. What is that secret? Was he the one who saved access to find Suri?

Kyo Mazuru traveled to the world of Bleach and landed in the forest of Menos Grande at the beginning.Picking up a asauchi left over from Shinigami's death, and starting with a sword, he spent hundred years in the forest of Menos Grande to survive, slashing countless hollows, and his slashing skills reached the peak, until one day, he met a man who claimed to be Mr. Aizen Sōsuke!Mr. Aizen couldn't bear him to live alone in Hueco Mundo, so he invited him out of there and brought him to Soul Society!After that, Kyo Mazuru's Shinigami career began!

In the depths of the underground world lived the descendants who were born and raised by feeding on the teats of beasts.

These individuals with special abilities and enhanced physical abilities were known as dungeon babies.

Amongst them, Kim Jin-Woo was born in the labyrinth on the lowest floor.

“I’ve never tried to become strong. I just wanted to survive.”

This is a story of a lowly tunnel digger who ascends the throne to become the king of a labyrinth.