After Divorce, I Inherited the Game's Fortune - Chapter 800

Jiang Pengji got something called the Court Intrigue Stream System.
System: “Your goal is to become the most prestigious woman in the kingdom (the Queen)!”
Jiang Pengji: “Okay, System. No problem!”
Years later, she met the target by becoming the most prestigious woman (the Empress).
Jiang Pengji: “Well done, no?”

- Description from Novelupdates

Ercella lived a glorious life everyone envied, but died of an illness at a young age.

Before her death, she regretted not having become a proper mother to her son.

But somehow, she went back three years ago.

Ercella is living her second life.

I promise to be a loving mother this time.

However, is it too late?

“Now that you’re doing this, you’re just making me feel uncomfortable.”

The son only pushes her away and she realises that her relationship with the husband, who she thought was fine before her regression, wasn’t actually…

Violence, Rogue, two names that had long since faded away from the limelight. In a new game, The Strange World, they appear once again. The two former legends, once more rise to glory.

- Description from Novelupdates

This is a prequel to the anime movie To Aru Majutsu no Kinsho Mokuroku – Endymion no Kiseki.

Just before the completion of the Academy City space elevator “Endymion”, the main characters Kamijou Touma and Index encounter a level 0 girl named Arisa. The Magicians are after Arisa, and they attack Academy City. A female leader named Shattoaura leads a unit from Academy City against the attack. Kamijou and Index learn from Stiyl that Arisa is key to a brewing war between the sides of Magic and Science. When science and magic cross paths, the story begins with Endymion as its stage!