A career-ending sex scandal involving one of Japan’s most bankable stars has snowballed into a corporate governance nightmare and a textbook cautionary tale of how crises should never be managed.

Nakai’s decision came following reports that he engaged in non-consensual sexual activity with a woman that led to a settlement with the victim.

One of Japan's biggest pop stars and best-known TV hosts, Masahiro Nakai, announced his retirement Thursday, Jan. 23, over sexual misconduct allegations, reports said, in the latest scandal