Bittersweet

Of all the things Jacob Kowalski expected to happen when he woke up that morning, realizing a parasite was growing inside him because he was supposedly a wizard with suppressed magic, wasn't one of them.
~***~
After chasing after the Erumpent in Central Park, Newt, along with his newfound friend, Jacob, are surprised at the unnatural turn of events. Showing his first sign of magic at the age of twenty-five, Jacob Kowalski has suddenly caught the attention of the Ministry of Magic and MACUSA. Going this long without magic only means one thing and Newt, ever determined to beat the odds, agrees to be Jacobs mentor and teacher in the ways of magic, teaching him all the spells and tricks he needs to know to become a member of the wizarding world and defeat a long dormant Obscurius.
However, the clock is ticking fast, and Newt can only hope he can save his friend in time and, from the looks of it, time is definitely not on his side.