The Quick Transmigration Expert Needs Treatment

Su Rao gets into an accident on her way home and accidentally binds herself to a System. To be reborn, she has to complete the tasks it assigns. Only after reaching a certain task quota can she go home. But... Wasn't I just supposed to fill up the happiness meter? Why did it turn into a capture-the-target mission??? Oh well, the process and the result are the same anyway. But... “Tuanzi, explain this blackening meter to me. What even is it? How can he turn evil? Is something seriously wrong with him?” Tuanzi: “...”