It's really a time travel with no sense of the protagonist's experience, bad review! Isn't that enough to be bitten on the neck by a vampire school belle when you first arrive? The next day, another group of vampires came to hunt down the vampires blocking the school gate... Fuck...
What? You said I won't ask the system for help? I found it! Why did the system charge me the remaining ten days of my soul life, but in the end it just put a basketball in the squat pit that was not flushed! What, biological weapons?