Japan and red hair

[Cherico]

Japan is a small island nation known for being homogenus population
lets say a mutations take place and red hair becomes really common
in Japan lets say 20-25% of the population.
How does this influance japanese culture and how they are preceived
by other asian nations?

 

[B_Munro]

Japan is a small island nation known for being homogenus population
lets say a mutations take place and red hair becomes really common
in Japan lets say 20-25% of the population.
How does this influance japanese culture and how they are preceived
by other asian nations?

More Anime characters with blue, green or violet hair?

Bruce

 

[mobius]

now they will have a good reason to consider themselves a race apart from the rest of the world so they will be more xenophobic than OTL

 

[Smaug]

Does this gene also make them crave whiskey and potato's?