Miyako Kudo is married, in her 50s, and childless.

Over a decade ago, looking to connect with other women who didn¡¯t have children, she hosted a casual tea gathering.

What she expected to be an informal meetup brought many in the room to tears as a dozen attendees opened up about years of unspoken pain ¡ª of having nowhere to turn, feeling they had disappointed their parents, and navigating life in the dark.