I Was Reincarnated as a Villain Prince’s Follower, but I Refuse to Be Ruined—Turns Out the Prince Is Surprisingly Competent

Jeremy remembers that he is a reincarnated person.

This is inside a BL manga called The Oath Sparkles Like the Stars.

And Jeremy is a sidekick to the villain prince, who will be ruined after trying to mess with the main couple of the story.

If things stay like this, a future of punishment awaits him along with the prince.

Using the knowledge from his past life, he works hard to avoid the future where his ruin is certain.