Literally his hair color changed cause he was dyeing it to present himself as a different person than what he is. Maybe this is a comedy where Uke has a sht personality and slowly changes to the better ┑( ̄Д  ̄)┍
if we're talking about old European beauty standards then being fat and light skinned was considered beautiful at the time. Thinness was for starving peasants.
is it still ongoing? (=・ω・=)