If you're not sure what you want to do, just take a break from school once you graduate. You won't automatically become a failure in life because you take a couple years to find your passion.
ACen 2014 cosplay: Lara Croft, Erio Touwa, Shirahoshi Hime
ALA 2015 cosplay: Shirahoshi Hime, Akemi Homura [Haregi ver.], Makise Kurisu