You mean the only one he can draw that keeps changing hairstyle throughout all his manga?
Adachi is a miracle of the universe, but I have no idea what the fuck you're talking about.
Sameface is a problem 95% of mangakas have. Usually in order to solve the problem they just give them a different hair cut, make them really fat, facial piercings, etc.
His girls have different proportions so it's never a big deal
KOSHIEN IS TOMORROW (TONIGHT)
It was supposed to be on the 6th but due to the typhoon it was pushed back.