"We don't want to make her to look like a typical suicidal character"What I recall about Futaba is that she was originally envisioned as a dark haired girl but it was deemed too cliché. So she was given long orange hair to contrast her personality of a suicidal shut-in.
Proceeds to make her ginger ...
You know the part of the japanese population male or female that knows a seven times higher rate of suicides ... teenager suicide ...
In China gingers are surrounded with fairly positives weird out there beliefs , not so much in japan ...
Hell ginger dudes are bullied to hell and back because "ginger is a girly hair color not a proud manly man one" ...
( hell as a northerner frenchie who is a ginger , I learned that japanese stereotypes around gingers are all fairly negative ones , with the same fundamental thinkinng , just a different way to be expressed culturally , but simply put the BS I live through in Lille was the same in Fukuoka just worded differently and coming from a different religious background but the ideas remained the same male ginger = unmanly + evil , female ginger = temptress + quarrelsome )