
Applications now open to do battle for glory and prizes when night falls on one of Japan’s most famous ninja towns.
The phrase “local history” can sometimes bring to mind stuffy and mundane minutiae. Things like “The town’s borders were set when Farmer X petitioned County Administrator Y to dig an irrigation canal, which, under land ordinance 2316, required the official annexation of unincorporated land within 20 meters of the point where a manmade waterway meets a natural body of water.”
But you know a place that doesn’t have a problem with its local history being dull? Koka, the town in Shiga Prefecture that’s the home of the Koga ninja clan. Koka wears its love for its heritage on its shinobi sleeve, and in the latest awesome example of how, the town is currently recruiting 100 participants for a nighttime ninja-versus-samurai battle, to be held later this month, which will pit two teams against each other in a moonlight battle competition on the site of the ruins of Minakuchi Okayama Castle.
Before the castle’s destruction, the samurai Natsuka Masaie was the last lord of the stronghold. After allying with the losing Toyotomi forces at the battle of Sekigahara in 1600, Natsuka retreated to Minakuchi Okayama, which was then attacked by and fell to the Tokugawa army.
All of the above is a matter of established historical record, and given the proximity of the castle to one of Japan’s major sources of ninja-for-hire, it’s not too much of a stretch of the imagination to envision Koga ninja playing a role in the successful siege. That bit of historical speculation is the inspiration behind the Shinobi Youchi, or Shinobi Night Attack, event. Once night falls, the 50-person ninja team will make their way up the hill to the castle site, where they’ll try to assassinate as many members of the 50-person defending samurai army as they can.
▼ A teaser video for the event (though the video is shot in the day, the actual event will take place after sundown)
Of course, Japan has become a much less violent place since the end of the feudal era, so the ninja won’t actually be shanking their prey, nor will the samurai warriors be lopping off any heads as they defend their castle. Instead, each participant will be given a foam sword and a pair of targets to wear on their shoulders, as seen in the image below.
Being struck causes the target to light up, confirming the kill. Once defeated, the participant must hand over a wooden dog tag with his name to his killer, to be counted as points for his team at the end of the battle. Samurai and ninja each have three lives, but after losing each one must withdraw to their home base to have the light turned off by a game official.
That’s just the beginning of the detailed game system, though. For starters, not all kills are worth the same number of points. Rank-and-file samurai, for example, are worth 10 points, while samurai generals are worth 100. One member of the samurai team will also take on the role of Lord Natsuka himself, and his one-and-only dog tag is worth a whopping 500 points, so keeping him safe is priority one for the samurai. Things are a little more balanced on the ninja side, with their five leaders being worth 100 points compared to the other ninjas’ 10.
▼ “Defeat the invading ninja and protect the generals!”
With the battle unfolding over a sprawling playfield, each team will have to divide its forces. Just because you’ve got a partner who’s supposed to be watching your back, though, doesn’t mean that you’re safe. Mixed into each team are three spies who are actually working for the other side, aiming to pass information onto your enemies or, worse, kill you when you let your guard down because you think you’re among allies. There’s even a potential story branch, of sorts. The battle will play out in two 30-minute rounds, and if the ninja are successful in assassinating Lord Natsuka, then Round 2 will start with the ninja having occupied the territory and the teams switching positions, so that the ninja are defending and the samurai attacking in an attempt to reclaim their castle.
▼ The in-depth rules are covered in the video here, but they essentially boil down to “Kill your opponents.”
At the end of both rounds, the total scores are tallied, and the team with the most points is the winner. The winning team will receive some sort of as-yet-unrevealed prize, and there are also awards for samurai and ninja who distinguish themselves with especially exemplary performances in the battle.
Shinobi Youchi will take place on October 22, and given the complexity of the event, it’s basically a day-long event. Participants gather at the reception area at 1:30 to check-in and change into their costumes/uniforms. Then there are scouting sessions of the playfield, strategy councils, and formation positioning before Round 1 starts at 5:30 p.m. Taiko drum signals will be used to let players know how much time is remaining in the battle, with Round 2 ending at 7 p.m., followed by awards and closing ceremonies, descending from the hilltop ruins back to the reception area to change back into modern attire, and the even coming to a close at 9 p.m.
▼ There’s also a vague promise of some sort of partial reconstruction of the castle for the event, most likely this inflatable replica of its central keep.
◆イベント情報(https://t.co/7xzrcOVSPs)掲載◆4/23(土)~24(日)10:00~21:00、滋賀県の水口岡山城にて「よみがえれ水口岡山城2022」が開催!水口岡山城バルーン展示や、「忍者列車 SHINOBI-TRAIN ミニトレイン」 乗車体験、水口岡山城の地形模型展示、限定御城印や特産品の販売など。 pic.twitter.com/ZjL8X0b6qu
— 城びと (@Shirobito_jp) April 22, 2022
The event’s organizers graciously state that even people without previous ninja or samurai experience are welcome to take part in the battle, though participants must be at least high school age (15 years old in Japan) and in good health, since while there aren’t any actual blades being swung, you’re still going to be running around in the middle of the night. Participation fees start at 5,000 yen (US$35) for the 42 standard samurai and 42 normal ninja slots, with samurai general and ninja leader roles 7,500 yen and the honor of being the primary target of 50 ninja as Lord Natsuka 10,000 yen. Applications can be made here through the event’s official website.
Source: Shinobi Youchi official website via Japaaan, PR Times
Featured image: Shinobi Youchi official website
Top image: Shinobi Youchi official website
Insert images: PR Times, YouTube/ NinTube
● Want to hear about SoraNews24’s latest articles as soon as they’re published? Follow us on Facebook and Twitter!
Follow Casey on Twitter, where he has many fond childhood memories of fighting with swords at castle ruins with his brothers.




Ninja laser tag tournament being organized at Japanese castle in the domain of the Iga ninja clan
First copy of centuries-old ninja training manual discovered, doesn’t understand dogs【Video】
New Fuma ninja being recruited for first time in 400 years
Japanese castle’s new Ninja Museum sends you on an interactive shinobi mission through history
Japanese city encouraging visitors and locals to cosplay as ninja for annual Ninja Festa
Hatsune Miku collaborates with Hokusai’s art in new Vocaloid ukiyo-e illustration series [Pics]
Is Japan’s tourism boom slowing down? Foreign visitor numbers fall for first time in five years
Evangelion beautifully reimagined as iconic classical Japanese folding screen art series [Photos]
Cup Noodle unveils first-ever cold-water instant ramen in Japan
Studio Ghibli releases huge new wooden clip collection featuring 25 anime movies
Starbucks Japan adds new Frappuccino, Tea, and Chillax Soda to its limited-edition summer menu
Can instant TKG from Don Quijote really recreate Japan’s beloved raw-egg-on-rice dish?
Tokyo and Osaka make it into this year’s EIU ranking of the world’s Top Ten Most Liveable Cities
Tokyo Disneyland and Disney Sea raising ticket prices, free Fast Pass ending next month
Shinkansen trial of moderately air conditioned cars draws mixed reactions from travellers
Studio Ghibli has a new anime out, and there’s only one place in the world where you can see it
Family Mart opens new “Famima” flagship store in Tokyo that’s like a tourist attraction
Uniqlo looks back to the very start of Pokémon with new black-and-white pixel art T-shirts[Pics]
Japan reacts to Donald Trump’s “Islamic Republic of Japan” remark
Japanese airport rebrands itself as “Sushi Airport” to attract foreign tourists
Japanese government ID card and app to be required for certain Pokémon card purchases next month
Three new starter Pokémon Jets to fly in Japan, first begins carrying passengers this month
Studio Ghibli theme park’s new dessert is a drinkable version of Hayao Miyazaki’s pilot daydream
Solid gold Hedorah kaiju from the Godzilla series is now available to pre-order
Japan announces sudden 400-percent increase in visa fees for foreigners entering the country
Japanese ninja certification exam attracts 131 candidates from Japan and abroad
Salomon releases Japan-exclusive Mt. Fuji hiking gear that doubles as an amazing souvenir
Studio Ghibli store Donguri Republic announces opening of first-ever store in America
Japan triples departure tax, foreign tourists and locals now must pay more to leave country
Japan launches first overnight Shinkansen bullet train between Tokyo and Osaka this summer
Japanese sweets shop sells an ohagi so exquisite it sells out by noon
Sanrio Character Poll announces winners, Hello Kitty absent from top 10 in many countries
Japan’s human washing machines will go on sale to general public, demos to be held in Tokyo
Starbucks Japan releases new drinkware and goods for Valentine’s Day
Starbucks Japan releases new sakura goods and drinkware for cherry blossom season 2026
Japan’s newest Shinkansen has no seats…or passengers [Video]
Put sesame oil in your coffee? Japanese maker says it’s the best way to start your day【Taste test】
Japan reportedly adding Japanese language skill requirement to most common foreigner work visa
Get your battle armor ready for the interactive “hottie” Samurai & Ninja Show coming to Tokyo
Kyoto Ninja Run tour can add over 100 ninja missions to your itinerary if you’re tired of temples
Six professional ninja jobs being offered by Japanese tourism board, women and foreigners welcome
Through the eyes of a ninja – Thrilling drone video recreates shinobi raid at historical temple
One of Japan’s oldest castles now lets travelers spend night on the grounds, drink in its keep
Need a new job? Japanese tourism organization is looking to hire two samurai
Shinjuku Ninja Live Show: New Tokyo tourist attraction created by the Japan Ninja Council
Fight like a ninja in a samurai town, with sword-fighting experience at Kyoto Toei movie studio park
Naruto jerseys coming to Major Leage Baseball theme nights, Hello Kitty to take over a field