A Comparison-Group Story Set in the Seventies? No Worries, I Have a Spiritual Spring Dimension

She transmigrates for no apparent reason into a period novel, and not only that, she's a cannon-fodder supporting character who's about to be disgraced.

Gu Xue says she's not worried. As the top dual-ability user in the apocalypse, there's no bizarre situation she can't handle.

The pocket dimension looks down on the supporting character and refuses to acknowledge her as its master? Then it'll become fuel for her abilities.

Some pocket-dimension sprite? It'll turn to dust in an instant.

The heroine schemes against her out of jealousy? What's that supposed to be? She can use you to test her blade.

Gu Xue's motto: Everything I have belongs to me. I can give it away if I want, but nobody else gets to demand it.

Men are just a little seasoning in her life.