two characters I just remembered: Iena and Alessi
They are nonbinary and autistic siblings (Alessi is the elder)
Iena has sensory/empathy issues that make it extremely hard to process much more than their immediate surroundings and grow exponentially worse in the presence of other people
but VERY, VERY GOOD at sensing when a situation is bad or if a person has ill intent
Alessi is good at spatial reasoning and problem-solving but is very bad at judging others' intent or interpreting communication, and tends to be suspicious and aggressive towards strangers
Alessi is fiercely protective of Iena and makes sure they eat and take care of themselves and gets them out of bad situations
Iena is fiercely protective of Alessi and helps reassure them that others mean well (or that their judgment is good and they both need out of there, stat) and gets them out of bad situations
Iena has a service dragon who helps stabilize their perceptions and ground them when there's too much data to process