Not really what most people would expect when you say 100%
> According to them, Japanese prosecutors will prosecute only the very few cases in which they are most likely to be guilty and not many others.[2][3][4] According to Ryo Ogiso, a professor at Chuo University, prosecutors suspend prosecution for 60% of cases they receive, and end prosecution for the remaining 30% through a simplified judicial process. Only about 8% of cases are actually prosecuted, and this low prosecution rate is the reason for Japan's high conviction rate.[3][5]