His emotional detachment stems from a neurological and psychological, his lack of empathy and emotional restraint are tied to his upbringing under a problematic family, resulting in an innate inability to naturally process emotions or even understand boundaries. Don't get me wrong Koi is such a gentle soul but due to an incident (long story) Ash is the one who mainly interacts with the children and even Ash has some kind of neurological deficit as well from the Lick me up if you can story.
His emotional detachment stems from a neurological and psychological, his lack of empathy and emotional restraint are tied to his upbringing under a problematic family, resulting in an innate inability to naturally process emotions or even understand boundaries. Don't get me wrong Koi is such a gentle soul but due to an incident (long story) Ash is the one who mainly interacts with the children and even Ash has some kind of neurological deficit as well from the Lick me up if you can story.