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I still don’t understand his hair going from blond to black. While I’m aware that blond hair darkens with age, it usually wouldn’t turn from blond (at that age) to black. At most it might turn light brown. For it to turn black, the hair should have started to darken a lot sooner.

I was born with platinum blonde hair but now, as an adult, I’m ash blonde. My mother was born with blonde hair that later turned black, but her hair was already brown by the time she was a toddler. I’ve honestly never heard of someone whose hair only began to darken at the age of this character. Is it an eastern thing?

Or did he dye it to fit in? I must have missed that part.