Honkai: Crossing Wendy is by no means the most disciplined

A girl named Wendy ate hot pot and sang, and suddenly traveled to the world of Honkai III. And also became the fourth herrsrscher who was slapped to death by the titan in the first chapter... Urgent, what should I do? But the good news is that she has a golden finger system, the bad news is that this system is sometimes not very reliable.