On the eve of his eighteenth birthday, Lin Tian was forced to inherit the huge emotional debt of five million "flow" owed by his great-grandmother. The creditor is none other than the lazy, charming, horned succubus Lilith. Working to pay off debt? No, this cunning alien world has the idea of "emotional economy". As a result, the time traveler, who was bound by loan sharks, was forced to work with the succubus creditor, the runaway mech, and the hybrid paladin, in the cracks of the three modern dynasties, to start a hilarious entrepreneurial history about "love and repayment" - the goal is to subvert the rules of this world using the routines of earthlings!
