The Reborn Good-For-Nothing Lady Is Also Torturing the Scumbag Today

The female heroine of modern society dies unexpectedly and is reborn as a good-for-nothing lady in the world of immortality. She is bound to a mysterious system/magic weapon. She abuses and slaps people in the face while practicing and upgrading. However, she is involved in the conspiracy of the immortal world. She develops a multifaceted bond with the cold master/monster demon/loyalty brother, and finally reveals the truth about her rebirth and reaches the top of the immortal path.