Jogoro and Otoki really loved each other very much, think even more than Sada or Kiyo, although Sada was the one who made him go crazy about trying to resurrect the dead...
Oh shit, Rea attacked Mero andoverwhelmed Don even. Think Don knew exactly what Rea made and is a zombie, as Yuzuna most likely did the same to him when she entered Confused State.
Rea went back to school and caused a rampage, Helen seen her eating birds too, there's no way for her normal life now after everyone seeing this...
I ship Chihiro x Darin more than Chihiro x Ranko, they have more in common than "being rescued from a stray dog transference love".