It is not really hostility to women, but hostility to humans. 10 am -9pm every day often followed by drinking with coworkers.. till last train. vs raising kids. I know what I would choose.
drinking?
Drinking/Karaoke, in order to build a connection with client or bonding with coworker is a big part of Japanese business.
I bet a lot of people don't want to do it, but Japanese culture is not kind to someone who stand out from the group, so...