They've All Been Reborn, What's Going On?

[Rebirth] [No system] [Multiple heroines] [Revenge] [Happiness] During the three years of high school, I lost four close relatives, and I was confused for half my life. Even if I became successful, my life was still boring. But Lu Ran was reborn. The first time he returned to his senior year in high school, he saved his grandmother and sister. The evildoers must pay the price, and someone must bear the consequences of their parents' death! Lu Ran began to design the layout. This is the story of a civilian grassroots counterattack against a business tycoon. This story is purely fictitious. Any similarities are purely coincidental. The main purpose is to promote the entrepreneurial spirit of the new era.