Kasho Iizuka’s feature casts trans actors to revisit a notorious 1965 trial that made gender reassignment illegal for more than 30 years. He explains why the history remains unfinished Kasho Iizuka’s feature casts trans actors to revisit a notorious 1965 trial that made gender reassignment illegal for more than 30 years. He explains why the history remains unfinished T he so-called “Blue Boy trial” in 1965 was a landmark moment for trans visibility in Japan . Now it has become a landmark film,