He feels another twinge of sadness at 'platonic' -- was it guilt? Acceptance? He certainly isn't going to examine it further now, tucking away it to the back of his mind.

Kuroko leans over Kise with curious eyes as he thinks about the rest of his sentiment. "I'm not trying to be mean about it, but I don't think 'best friend' quite fits how I view you, either... Maybe for Kagami-kun, because our relationship is simple at its core."

Their partnership was easy and not complicated. Perhaps Aomine also counts in that category, but even then, it feels off. Is it because their time at Teikou colors their relationships so deeply?