Thread:Migster7/@comment-28716546-20170213005810/@comment-4969948-20170213011427

Noice, it's a good read.

1) I don't think anything would happen because 1 person has to die by writing one name down, though they both could die.

2) There's probably some sort of portal or something that the Shinigami can access. It's never really addressed but that's my take on it.