Zero no Tsukaima - Volume 20 epilogue

Liu Fang, a manager, died suddenly at work due to being too diligent.
She thought that she would turn into a wisp of dust and dissipate after her death, but she never imagined that – the new century, the new underworld, even if she became a soul, she would still be a worker!

Liu Fang has become a newcomer to the underworld Quick transmigration Department. In order to wait for a good reincarnation, she strived to accumulate merit and traveled into one world after another to repair the way of heaven.

- Description from Novelupdates

Eighty years ago, the Abyss suddenly descended upon Yan Luo's world. Humankind was shocked to discover that their most proud weaponry struggles to kill even the weakest demons from the Abyss.The birth of Engravings is a silver lining, which enables humans to harness magic power, drastically enhancing their personal combat abilities against demons.Yan Luo, who determines to be a demon hunter since he was young, however, finds himself unable to imprint any Engravings, but he still decides to embark on his demon-hunting journey even without magic power.“...That can't be right, you haven't gone through the Engraving yet. I see no record of it here, and you're leaving already?”“Quickly register me. I need to reach the exploration town before nightfall.”“Kid, come back if you can't handle it! No one will laugh at you!”

Yu Zhengdu joined a small start-up company that claimed to offer “life management services”……as a programmer.