en.wikipedia.org/wiki/Fuchū_Prison
Fuchū Prison (府中刑務所, Fuchū keimusho) is a prison in Japan.[1] It is located in the city of the Fuchū, Tokyo to the west of the center of Tokyo Metropolis.[2] Before the end of World War II, Fuchū prison held Communist leaders, members of banned religious sects, and leaders of the Korean independence movement.[3]