Screenwriter Koichi Iiboshi
The only way of working that Koichi Iiboshi knows as a screenwriter is to use all his effort to find the perfect formula for each story and that is why the directors he has worked with (among whom you can find Kinji Fukasaku) have been delighted with his dedication to each project.
A screenwriter like Koichi Iiboshi does very well in the following genres Thriller. Without a doubt, his great gifts as a screenwriter make us get involved in the films he writes.