Strong Female Leads

Stereotypical fiancé is cheating on me trope
But the FL is very cunning and all about making money. So while she runs her business and makes connections she also gathers evidence of her fiancés infidelity to claim palimony

Reincarnated as the last boss Pryde wishes to change her fate and the fate of other characters.
Will Pryde be able to become a good queen or will she meet her destruction?
The novel has 1000+ chapters, hopefully the manga will update more frequently

The MC gets sent back in time to the Sengoku Era
She uses her modern knowledge to help people live more convenient and healthier lives.

The granddaughter of a yakuza boss becomes a high school teacher.
The romance isn't the main genre of the story. But she has two love interests one who is older than her and another who is younger than her.

A princess does not want to be married off to some random kingdom. She decides to take on the quest to find the power of the lost Queen. This is the story of her and a slave boys adventure
The first chapters have a lot of world building and the background stories of the MCs but there is a lot of action as well. Both the FL and ML are strong and will most likely become stronger in the future. The only difference is that he has more real world experience than her. There is no romance as of now

Frienen is an elf that was part of the hero party that defeated the demon king. The story takes place after Hero Himmel's death.
There are many bittersweet moments in this story.