The Main Characters That Only I Know - Chapter 240:

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.

God plucked one of his creations from his first Earth and gave him a second chance in another one of his Earths...surprise it is in DxD! Now reincarnated as a perverted side character how will our poor protagonist handle his new identity? Well he probably wont make the choices you will want him to, that's for sure!

In a world where everyone has a system, Liang Yu, who had lost his previous system, finally received a second one. This time, he was playing the second male lead instead of a cannon fodder.

He has one mission.

Bend the male lead.

Liang Yu: I can do this task just fine. But Lord God, please don’t drop the novel again.

- Description from Novelupdates

The true daughter of the Everett Family, who wandered in the countryside for eighteen years, Lynn has returned. Everyone says she is a rural bumpkin with no talent or virtue, and crude beyond compare.However, she accidentally drops her aliases one by one—The Phantom Hand, top hacker, genius designer, Alliance Hierarch of The Netherworld Syndicate, and others—causing their faces to be slapped resoundingly.She is further spoiled by her wealthy parents and five influential brothers, and also cradled by Imperia's “The Living Reaper,” a man feared by everyone, who holds her in his arms and pampers her.“My little friend is timid, so don't frighten her,” he warns.Everyone: “...”