Check-In Complete: The Mature CEO Is My Wife!

[Tycoon fantasy + one heroine + age gap + indulgent wish fulfillment] Nine years ago, Yun Jianshi's family fell on hard times. Nine years later, he returns to Suicheng and starts working at his godfather's major company. At twenty-two, he becomes the personal secretary to his thirty-one-year-old god-sister, Su Xue. While working with Su Xue, he discovers that he has awakened the [Check-In Wealth System]. As long as he goes to different places and does different things with Su Xue, he can keep raking in wealth! Yun Jianshi: A promotion, a fortune, and a beautiful rich wife! I want it all! I'm not doing all this to prove how amazing I am! I just want to take back everything that belongs to me!!! (Fast-paced, very sweet, no face-slapping plotlines)