I'm Invincible, So What's Wrong With Eating a Few Beast Emperors?

A Finished Novel Rated 9+ With One Female Lead and an Overpowered Hero, That Gets Better the More You Read

One Heroine, Devoted to Each Other Through Thick and Thin from Start to Finish

The male lead should be the same: they support each other and grow together.

One Female Lead, Devoted Romance

Are there any stories without a harem, where the male lead is devoted to just one heroine?

One Female Lead (Look at My Requirements. I Refuse to Believe There's a Story That Meets Them All)

Fantasy or cultivation, with one female lead. The protagonist is a genius, not useless, and doesn't rely on women. He's a bit henpecked. The couple genuinely like each other, not because of mutual benefit. There are some comedic elements, and the female lead gets plenty of screen time. (She shouldn't disappear for dozens or hundreds of chapters, and should appear fairly early.)

After Being Trapped Deep in the Mountains for Ten Whole Years, He Finally Ventures Beyond Them, Only to Discover He Is Actually A...

Trapped deep in the mountains for ten whole years, he finally sets foot beyond them. It turns out he is actually an unparalleled expert?

Any Super-sweet Novels with One Female Lead Who’s Especially Prone to Jealousy?

I'm begging you!