There have been crazier chapters, but it's funny how this one needed a des ex machina. I think Kusuri could have made a drug to turn Rentarou back to normal.
??? So it really, REALLY, happened... Like, frfr? Deadass?
Because I thought it's gonna be another "just a dream" conclusion, with how crazy things went on. We have to thank God (literally) for fixing our boi (it was a problem he caused).