User blog comment:Doobie Wah/Jojolion Part 8 theories/@comment-131.151.252.107-20150731003449/@comment-131.151.252.107-20150731222223

There is a big theme with Jobin and contracts and equivalent exchange, so maybe the whole idea of the first born son being taken by the disease is also part of a contract, the first chapter also talks about curing hatred lasting over 1000 years.