Saving the Mad Second Male Lead

I raised the male lead until he was 18, content with my decision to fake my death, pocket a large sum of money, and live the life of a carefree person. But just two months into my new life, the system came knocking, trembling with anxiety. It told me that the male lead was on the verge of madness, the female lead was about to lose her sanity, and even the usually indifferent second male lead was lying in a bathtub, attempting suicide. I asked, "So...?" "You must return," the system said, almost pleading. "The wrongs you've caused, you must atone for them yourself."