This is the same Naked Man festival that only this year decided to allow women limited participation. Interesting timing of that. [https://www.scmp.com/week-asia/lifestyle-culture/article/3249412/1250-years-japans-naked-man-festival-bars-women-until-now-they-cant-go-full-monty]
Feels an awful lot like the episode of Bojack where reasonable gun control got passed only because women started carrying guns everywhere to feel empowered.