The spiralling controversy involves Masahiro Nakai, the 52-year-old media personality who was the leader of defunct male idol group Smap, and mainstream broadcaster Fuji Television. It also highlights the growing role that foreign activist shareholders are playing in compelling change in stuffy Japanese boardrooms.

Koichi Minato has been the target of criticism following the revelation that he became aware of the incident involving Nakai right after it occurred in June 2023.