Rebirth Online: From Single Mother to OP Demon Lord

Sarah Allen had a good life with her husband, who was also the CEO of a large tech company which was developing the worlds first VRMMO.

But not all was good. Betrayed by her husband, she now lives a poor life with her daughter, trying to get through the day.

How is a single mother suppose to support her family, and what do you mean I triggered a world event?