Photo by Tsutomo Harigaya, Courtesy of Sundance Institute ◎ Director Shiori Ito talks about her debut feature film, “Black Box Diaries,” which she directs and investigates her own sexual assault case.  Marking Sundance Film Festival’s 40th anniversary, it received 17,435 submissions from 153 countries; of the 4,410 features 1,679 were from the United States and 2,741…