I Became Rich by Signing In

When he was reborn and returned to college in 2014, he was given a sign-in system. By signing in once a month, the protagonist slowly became the richest man in the world. From shared bicycles, to shared power banks, takeout group purchases, to short videos, online finance, express delivery, real estate, and new retail, slowly the entire society has its tentacles. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.