Toru Nishikawa, co-founder and chief executive officer of Preferred Networks Inc., speaks during an interview in Tokyo, Japan, on Friday, March 16, 2018. Preferred Networks has only one publicly available product, a whimsical application that uses artificial intelligence to automate the coloring of manga cartoons. Yet the four-year-old firm has become Japans most valuable startup, with a venture capital funding that priced it at more than $2 billion, according to people familiar with the matter. Photographer: Tomohiro Ohsumi/Bloomberg via Getty Images