Toaru Majutsu no Index: Genesis Testament - Volume 5, Chapter 2: The Rescue Puzzle Sits Before You – Travel.

Xiao Ran transmigrated to a fantasy world. As a dungeon guard in the Celestial Dungeon, with a special floor called the Purgatory meant for powerful demons and martial arts experts, he faced a huge challenge from the start. The Eldest Princess acquired a forbidden martial arts technique and was banished to the Purgatory. However, no one was powerful enough to restrain her. All the dungeon guards were defeated. Xiao Ran stepped up and declared, “Your Highness, it’s better for you to behave yourself on my territory” and effortlessly subdued the Eldest Princess.

He progressed from imprisoning the Eldest Princess to delivering the Great Xia Kingdom from the evil clutches of various demons and evil martial arts experts.

…

Xiao Ran was the mastermind behind the scenes.

The Spirit Network, known as【Deep Sea】 connected five continents as human civilization surged forward; yet, they were oblivious to the impending eternal night. With the Extraordinary Awakening, the edifice was about to collapse. Flesh is weak and pitiful, how could one ascend? The story began when Gu Shen, an ordinary youth, received a ruler that bore the truth. He peeled back the corner of this extraordinary world, becoming the largest moth among the thousands that dashed into the flames. If winter is coming, I will climb against the steps, overturn the thrones of kings, shatter the crowns of falsehood, destroy the scepters of injustice. I will become humanity's last, Bright Barrier.

Li Jing, who is unemployed in a first-tier city, obtains a system where enjoying life can double the amount of money spent.[Congratulations, host for spending two thousand yuan to enjoy gourmet food, positive emotion one star, return ten times the consumption amount of twenty thousand yuan.][Congratulations, host for spending fifty thousand yuan to stay in a luxury hotel, positive emotion two stars, return twenty times the consumption amount of one million yuan.][Congratulations, host for spending one hundred thousand yuan to enjoy the pleasure of purchasing luxury goods, positive emotion three stars, return...]By becoming wealthy through the system, Li Jing finally experiences the joy of life, luxurious spending, perfect service, and transcendent status, all of which make him deeply understand the power of money.Especially those once unattainable goddesses, due to Li Jing's improved economic level and upgraded social circles, wonderful and unforgettable stories centered around him occurred.In the top floor suite of the world's tallest building, Li Jing stands with a wine glass in front of the floor-to-ceiling window, overlooking the entire city, and sighs:“People without money are merely alive.People with money truly live.”