Monarch of Evernight - Chapter 1424: The Thirteenth Seal

This stands at the forefront of strategy guides to Life (a shitty video game)!

A firefighter in her previous life, Li Jing’er transmigrated back to ancient times and became the wife of the second son of a farmer. A month after Li Jing’er married into the family, her husband left to join the army.

Then news arrived that her husband was killed in battle but the compensation paid by the imperial court was snatched away by her greedy in-laws. Forced into a corner, she planned an escape, severed family ties, and left with her six-month-old baby daughter.

Joining the flow of refugees escaping from disaster and war, she picked up several lost and abandoned children along the way and tried to start a new life.

Then out of the blue, her deceased husband appeared…

- 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!

The unbeatable young master makes his return to the city.“Hello, Principal, I'm your fiancé...”