[ The Portal ] - [ ROTTMNT x 2012!TMNT Crossover ]

[ One day in Donatello's lab, a triangular portal opens up from an unknown object- and a few familiar faces fall from it ]

Bolded name are 2012 turtles, nonbolded are rottmnt

My first ever fic 😨.. every chapter was written at 1-4am and not proofread, read at your own risk.