Hisako, an interpreter remained on the stage.
She is Yasuko's friend and one of her sons has cerebral palsy.

You can read her essay at the next page.

• How I re-discovered Yasuko(Arima-san)
  
• Seminar and Sibshop in Japan
• On the following day, September 8th, we had a Sibshop demonstration.
• After the event.