But are you serious or are you being sarcastic?

No, I think it's wholesome like the story.

So if you don't know what it is, the guy is a spy.

He's the world's best spy.

So think 007.

The girl is the world's best assassin.

He's on a mission and needs to get into this school to spy on a guy.

And it's basically supposed to supposedly if you can drink from it you live forever