Watch on Soap2day. Junji Inagawa, one of Japan's most famous horror storytellers, visits the sites of reputed horrors and attempts to uncover the cause of the horror in this second horror documentary. This time, he investigates the "Grudge Tunnel in Shizuoka Prefecture" and "I Villa in Saga Prefecture" to get to the bottom of the matter. Assistants are Ayumi Ninomiya and Nana Ozaki.