I've Got This Top Student Covered

In her previous life, she stood at the top and wielded tremendous influence, only to die of illness at home, unknown to anyone.

Reborn, she returns to her high school years, the springtime of her youth. Tang Shi had hoped to study in peace and enjoy a quiet, cozy life with her family. But... on the very first day after her rebirth, she becomes famous throughout the school, then gets assigned to the notorious Class 16.

Seeing the hostility radiating from her new classmates, Tang Shi raises a finger to her lips and gives a playful smile. "Shh, let's get along peacefully, spread positive energy around campus, and protect world peace."

Later, a top student corners Tang Shi in an alley and looks down at her. "Is dumping me after leading me on really how Big Sister Tang spreads positive energy?"

Big Sister Tang: "...??"

[Strong male and female leads + youthful school days + passionate inspiration + business battles and workplace drama]