You know, Vincent could probably be Yuki's father. Just imagine those family gatherings! The freakishly mutated father who barely speaks, the mother who looks like she's 16, and the kid who babbles about airplanes and hooks up with Alfina.
...
You know, perhaps we don't give Miranda enough credit for running screaming from all males. First Vincent, then Alonso? Dear god, Yuki'd have thrown himself out of a plane if he had to endure those kind of father 'figures' for long. So mercifully, instead of a possible father vs son battle, we get to see Yuki thrash some weirdo with long hair and a gun in at least a semi entertaining fashion