With a Silver Needle in Hand, I Somehow Got the Empress Pregnant

Begging for Historical Romance with Eunuchs, Chief Supervisors, or Nine-Thousand-Year-Olds

I love the fake eunuch character archetype so much! Are there any historical romance novels like that? Please! A real eunuch is fine too.

Transmigrating to Ancient Times and Bringing Modern Inventions to the Past

Any novels where someone transmigrates to ancient times and puts modern food, military technology, and other things to use there?

Any Novels About Transmigrating to Ancient Times and Gradually Developing Technology, Without Brain-Dead Plotting?

The protagonist should have something like a technological chip and gradually develop technology.

A Eunuch with Exceptional Martial Arts, the Emperor's Trusted Confidant, Who Covets No Power and Has Only One Aim

Looking for Stories With a Male Lead Who Has a Backbone

Are there any war god stories where, after a divorce, the protagonist doesn't take their ex back, act like a simp, play the saint, hide their identity, or have a harem?