I Must Squander a Fortune of 10 Billion, It's So Hard for Me

[Full story complete. 1v1 relationship-focused extremely sweet story, protagonist interactions account for 80% of content, not plot-driven] - Synopsis: [Universally adored, dramatic-acting bottom × Possessive, obsessive, crazy top] After being poor for 18 years, Qi Yunshi was suddenly recognized and brought back to a wealthy family. The wealthy family was magnificent with numerous rules, but the only requirement his billionaire father gave him was that he must spend 5 million every month. It was said that only by doing so could the family's prosperity be maintained forever without decline. Qi Yunshi: You must be kidding me. After experiencing monthly account checks and having any unsp...