[ he gives a shrug. how does he explain who kazuraba kouta is? how does he explain the intricate details of their relationship to each other, especially when kouta is the one who killed him in the end ]

That's what he'd call us.

[ because kouta never stopped believing kaito was his friend, even after he killed him. especially not after they'd fought back to back against negahex when he'd been temporarily revived ]

For me, it's more that we're the only two of our kind here.