999 Ways to Win Over the Male God Through Quick Transmigration

To recover the tens of thousands of years of memories she has lost, she embarks on a quick transmigration journey. She helps the System find supplies and create bodies, while collecting fragments of her memories. Those fragments are all connected to the same familiar person, so to gather them, she must win him over in every one of his worlds. But the task is often obstructed.

The reborn supporting female character wants to ruin her.

The transmigrated supporting female character wants to ruin her.

The supporting female character with a System wants to ruin her.

In short, they all want to ruin her, the original heroine, win the male lead's love, and take her place as the heroine. Fine, you can have the male lead. I'll take the idol.