The Billionaire's Kept Woman - Chapter 16 - He Call Her Love

Yu Linglong is the shu (born of a concubine) daughter in a general’s family. Since her mother was only a tribute dancer, her position is the lowest of the low. She used to live with her mother outside the father’s residence, and they only received some monthly money from him. He didn’t bother seeing them. But when her mother dies, she moves into the general’s residence.

Among the demons, the supreme ones are called “Great Saints.”

A young man leaves his mountain village and travels around the world. By unceasing efforts, he finally becomes a legend of the age.

- Description from Novelupdates

“9th Class Low Grade Familiar.”He was shocked to find that he had summoned the weakest familiar that could be.Only when he saw the status, he couldn't help being more shocked.“Hypnosis? Why can no one else see this? What even is this skill?”

After being transported to this world, Nara Kazuki discovered that as long as he grinded enough proficiency, his jutsu could level up.And so, he began walking a very... peculiar ninja path.