Percival is found and he physically recognized recovers from his ordeal and goes back to work. However people are wary of him and many whisper behind his back and treat him coldly. Percival puts up a front of indifference but he's hurting bad and the isolation just adds to his despair. This goes on for months with Tina and Queenie trying to be there for Percival because t he keeps shutting them out. Then Newt returns with his book for Tina and upon meeting the real Percival he immediately knows something is very wrong with the man. On one occasion Newt witnesses how badly people are treating Percival and decides to do something about it. Imagine Percival's shock when one evening after a particularly bad day there's a knock at his door and Newt is on the other side with his case of magical creatures. Newt barges in and bluntly tells Percival that he's staying with him and then promptly sets up house with his case in a corner. He then all but drags a stunned Percival down into the case and introduces him to the rest of the family which to Percival's great shock includes a recovering Credence. Slowly but surely Percival starts to heal with Newt and Credence at his side and they all get together. Newt also makes a show of bringing Percival lunch everyday and rubbing it in people's faces how happy Percival makes him. And when Credence is pardoned for what the obscurial did, he joins Newt in making everyone know I st what idiots they are for ever shunning Percival.
Newt/Percival/Credence: Newt notices how bad off Percival is and takes matters into his own hands