After Becoming the Abused Novel’s Heroine’s Younger Sister, I Broke Down

[Romance] [Transmigration] [System] [Mutual devotion]

Jiang Yuexi died, then came back to life. After transmigrating, she became the early-deceased background-character younger sister of the heroine in a tragic romance. She thought it was just an ordinary transmigration, until the System bound itself to her.

What? A cannon-fodder background character is supposed to save the heroine and stop the great villain from destroying the world?

System: Complete the missions and you'll be able to travel freely among three thousand small worlds, and live forever without aging.

Well, that's more than doable. Mission accepted! From then on, Jiang Yuexi is back on the grind.

**

But Jiang Yuexi looks down at the fluffy little fox in her arms. How could such an adorable fox be her senior brother, the villainous Boss?

Are you sure?