Haunted houses are a summer tradition in Japan. One step inside the haunted house, darkness envelops you. It's frightening, but it draws you in. Japanese haunted houses have their roots in Buddhist temples. Even today, in a world full of light, darkness continues to scare people. Some want to cling on to their loved ones, while some want to forget everything and simply scream… We travel around the country, experiencing the nation's haunted houses.