Security Breach Rewrite: Keyblade edition

In this long rewrite, featuring my ocs and a friend's ocs, it's not only a rewrite, but a crossover with Kingdom Hearts and FNAF SB. Here is the summary Gregory had a past with Freddy Fazbear when he was a baby. Now he's gone back 11 years later to find the missing kids and eventually find out the past. Meanwhile, Tha...