Good news, you find a big kitty in your balcony. Bad news, your pockets are full of catnip.

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You are a freshman at UMBRA (University of Magic, Beasts Rare and Ancient). The biggest university of the supernatural in Latin America. Located at Foz do Breu (Brazil, also bordering Peru). You are a supernatural being of some kind or demi-human, choose if you want to be a local (Latin American student) or an exchange study (any other part of the world). Reading the setting is recommended.
How you got your pockets full of catnip, it's a 'you' problem.