Hide And Cultivate In The East Palace, Only To Find The Prince Is A Girl - Chapter 1665

A world where men don’t exist. A kingdom ruled by powerful, dangerous women. And Henry the only male in existence has just landed in the middle of it.To some, he’s a treasure. To others, a possession. But to Lady Seraphina, the most powerful woman in the realm? He’s hers. Whether he likes it or not. Now, trapped in a world of seduction, power, and deadly intrigue, Henry must survive forces far beyond his control before he loses more than just his freedom.

Raphael loves women in relationships.It's always been a problem of his. He just can't help it.And now that he's been accepted into the Magical Five Schools, a place filled with some of the most beautiful women he has ever seen, he's able to live out his fantasy to even greater lengths.But his addiction puts him in difficult situations. Some so serious that even his life is put at risk.How will he navigate this new environment, whilst living his life to his most lustful desires?With the help of his unique powers and being granted the S-Rank, Raphael Brooks' will surely live an adventurous life in the Nation of Vailstone.

Roan crossed over and became an FBI agent.

Several years later, when interviewing the world-renowned detective Roan Greenwood, the reporter asked:

“Excuse me, what made you persevere on the road of solving the case?”

Roan tilted his head and glanced at the sports car beside him, the villa behind him, and the beauties in the villa, and smiled slightly:

“Of course it’s the bonus after solving the case.”

“???”

- Description from novelbuddy

An Individual from Earth finds themselves in the Shinobi World, equipped with a Scientific System. From that moment, he delved into scientific research far ahead of its time.