{"id":42766,"date":"2026-03-30T11:10:29","date_gmt":"2026-03-30T02:10:29","guid":{"rendered":"https:\/\/vtrip-japan.com\/26_0004\/"},"modified":"2026-03-30T11:18:29","modified_gmt":"2026-03-30T02:18:29","slug":"26_0004","status":"publish","type":"post","link":"https:\/\/vtrip-japan.com\/en\/26_0004\/","title":{"rendered":"Koka-ryu Ninja House"},"content":{"rendered":"<p>This house, once the headquarters of the Koka Ninja, is the only authentic ninja house still in existence, built during the Edo period. Although the exterior looks like an ordinary private house, the interior hides numerous surprising gimmicks to prevent enemy intrusion, such as &#8220;Don-den-gaeshi&#8221; (revolving walls), &#8220;hidden stairs,&#8221; and &#8220;pitfalls.&#8221; These mechanisms, which tell the story of the ninjas&#8217; high wisdom and physical ability, can actually be experienced, making it the best experience spot for adventurous international travelers. You can deeply learn the true image of the world-famous &#8220;NINJA&#8221; while touching real history.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>This house, once the headquarters of the Koka Ninja, is the only authentic ninja house still in existence, built during the Edo period. Although the exterior looks like an ordinary private house, the interior hides numerous surprising gimmicks to prevent enemy intrusion, such as &#8220;Don-den-gaeshi&#8221; (revolving walls), &#8220;hidden stairs,&#8221; and &#8220;pitfalls.&#8221; These mechanisms, which tell the story of the ninjas&#8217; high wisdom and physical ability, can actually be experienced, making it the best experience spot for adventurous international travelers. You can deeply learn the true image of the world-famous &#8220;NINJA&#8221; while touching real history.<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1325],"tags":[],"class_list":["post-42766","post","type-post","status-publish","format-standard","hentry","category-shiga"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.1.1 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Koka-ryu Ninja House | V-Trip Japan<\/title>\n<meta name=\"description\" content=\"This house, once the headquarters of the Koka Ninja, is the only authentic ninja house still in existence, built during the Edo period. 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