World’s Yama-chan x Joyfull: 4-Dish Collab in Japan From October 13

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Collaboration MenuJoyfullSeasonal Menu
World’s Yama-chan x Joyfull: 4-Dish Collab in Japan From October 13 Restaurant

World’s Yama-chan and family restaurant chain Joyfull are launching a four-dish collaboration menu nationwide in Japan from October 13, 2026, at 3:00 p.m. The winter menu features Maboroshi no Kosho, the pepper blend used in World’s Yama-chan’s signature dishes.

The collaboration will be available at Joyfull restaurants across Japan, with no end date specified in the release. Joyfull operates 606 locations, mainly in Kyushu, as of August 31, 2026, giving the menu broad access for diners looking for a pepper-forward Japanese meal.

The lineup includes Chicken Tatsuta and Joyfull Pepper Hamburger for ¥1,032 (tax included), a colorful salad set meal with young chicken Tatsuta for ¥955, Hakata motsu hot pot set meal for ¥1,142, and crispy chicken cartilage karaage for ¥482.

About the Joyfull and World’s Yama-chan Collaboration

Chicken Tatsuta and Joyfull Pepper Hamburger

Priced at ¥1,032 (tax included), this centerpiece combines Joyfull’s 100% beef pepper hamburger with chicken Tatsuta inspired by World’s Yama-chan’s famous Maboroshi no Tebasaki flavor.

Enjoy the luxurious dish featuring the famous Genshin Pepper Chicken Tatsuta and Joyful Pepper Hamburger for ¥1,032 (tax included).
Enjoy the luxurious dish featuring the famous Genshin Pepper Chicken Tatsuta and Joyful Pepper Hamburger for ¥1,032 (tax included).

Maboroshi no Kosho and Young Chicken Tatsuta Colorful Salad Set Meal

This salad set meal costs ¥955 (tax included). Juicy young chicken Tatsuta seasoned with Maboroshi no Kosho adds peppery flavor to a refreshing salad.

Enjoy a luxurious dish with the Phantom Pepper Chicken Tatsuta & Joyful Pepper Hamburger for ¥1,032 (tax included). Savor the colorful salad with juicy young chicken Tatsuta fried seasoned with Phantom Pepper for ¥955 (tax included). The hearty Phantom Pepper Hakata Motsunabe Hot Pot is available for ¥1,142 (tax included), featuring a soy-based broth loaded with ingredients and topped with Phantom Pepper to add a spicy kick and flavor. Crispy Nankotsu Karaage (chicken cartilage fried) seasoned with Phantom Pepper is priced at ¥482 (tax included), offering a crunchy texture and irresistible taste. All items are available at nationwide stores.
Enjoy a luxurious dish with the Phantom Pepper Chicken Tatsuta & Joyful Pepper Hamburger for ¥1,032 (tax included). Savor the colorful salad with juicy young chicken Tatsuta fried seasoned with Phantom Pepper for ¥955 (tax included). The hearty Phantom Pepper Hakata Motsunabe Hot Pot is available for ¥1,142 (tax included), featuring a soy-based broth loaded with ingredients and topped with Phantom Pepper to add a spicy kick and flavor. Crispy Nankotsu Karaage (chicken cartilage fried) seasoned with Phantom Pepper is priced at ¥482 (tax included), offering a crunchy texture and irresistible taste. All items are available at nationwide stores.

Maboroshi no Kosho Hakata Motsu Hot Pot Set Meal

Available for ¥1,142 (tax included), the hot pot features a soy-based broth and generous ingredients, finished with Maboroshi no Kosho for extra aroma and spice.

Enjoy a luxurious dish with the Phantom Pepper and young chicken Tatsuta-age Salad Set for ¥955 (tax included). Savor the hearty Motsunabe Hot Pot with Phantom Pepper for ¥1,142 (tax included), featuring a soy-based broth filled with ingredients, topped with Phantom Pepper to add a spicy kick and flavor. Also, try the Crispy Cartilage Karaage with Phantom Pepper for ¥482 (tax included), which offers a crunchy texture and a lingering spicy taste that keeps you coming back.
Enjoy a luxurious dish with the Phantom Pepper and young chicken Tatsuta-age Salad Set for ¥955 (tax included). Savor the hearty Motsunabe Hot Pot with Phantom Pepper for ¥1,142 (tax included), featuring a soy-based broth filled with ingredients, topped with Phantom Pepper to add a spicy kick and flavor. Also, try the Crispy Cartilage Karaage with Phantom Pepper for ¥482 (tax included), which offers a crunchy texture and a lingering spicy taste that keeps you coming back.

Maboroshi no Kosho Chicken Cartilage Karaage

The crispy chicken cartilage karaage is priced at ¥482 (tax included). Maboroshi no Kosho adds a lingering pepper flavor to the crunchy snack.

Enjoy our luxurious dish featuring the legendary pepper with the Chicken Tatsuta and Joyful Pepper Hamburger for ¥1,032 (tax included). Savor the colorful salad set with the legendary pepper and young chicken Tatsuta-age for ¥955 (tax included). The hearty Motsunabe hot pot with the legendary pepper is available for ¥1,142 (tax included), made with a soy-based broth and plenty of ingredients, with a sprinkle of the legendary pepper to add spice and flavor. Don't miss the crunchy Nankotsu Karaage, seasoned with the legendary pepper for ¥482 (tax included), delivering a irresistible, lingering taste that will keep you reaching for more.
Enjoy our luxurious dish featuring the legendary pepper with the Chicken Tatsuta and Joyful Pepper Hamburger for ¥1,032 (tax included). Savor the colorful salad set with the legendary pepper and young chicken Tatsuta-age for ¥955 (tax included). The hearty Motsunabe hot pot with the legendary pepper is available for ¥1,142 (tax included), made with a soy-based broth and plenty of ingredients, with a sprinkle of the legendary pepper to add spice and flavor. Don’t miss the crunchy Nankotsu Karaage, seasoned with the legendary pepper for ¥482 (tax included), delivering a irresistible, lingering taste that will keep you reaching for more.
At Sekai no Yamachan, a popular izakaya chain founded in Nagoya in 1981, known for its signature 'Maboroshi no Tebasaki' (Legendary Chicken Wings) with a unique pepper flavor, you can enjoy a variety of dishes featuring the 'Maboroshi no Kosho' pepper. Highlights include the Genso no Kosho Chicken Tatsuta & Joyful Pepper Hamburger for ¥1,032 (tax included), a luxurious dish with a spicy pepper kick. The Genso no Kosho Kyabetsu Salad Set, featuring young chicken fried Tatsuta and colorful vegetables, is available for ¥955 (tax included). For a hearty hot pot, try the Genso no Kosho Hakata Motsunabe Set at ¥1,142 (tax included), seasoned with a soy-based broth and generously topped with 'Maboroshi no Kosho' to add a spicy, flavorful accent. Crispy Genso no Kosho Nankotsu Karaage (fried cartilage) is priced at ¥482 (tax included), with the pepper providing a tempting, addictive flavor. The chain celebrates its 45th anniversary in 2026, and its signature pepper is a secret recipe developed through trial and error by the founder.
At Sekai no Yamachan, a popular izakaya chain founded in Nagoya in 1981, known for its signature ‘Maboroshi no Tebasaki’ (Legendary Chicken Wings) with a unique pepper flavor, you can enjoy a variety of dishes featuring the ‘Maboroshi no Kosho’ pepper. Highlights include the Genso no Kosho Chicken Tatsuta & Joyful Pepper Hamburger for ¥1,032 (tax included), a luxurious dish with a spicy pepper kick. The Genso no Kosho Kyabetsu Salad Set, featuring young chicken fried Tatsuta and colorful vegetables, is available for ¥955 (tax included). For a hearty hot pot, try the Genso no Kosho Hakata Motsunabe Set at ¥1,142 (tax included), seasoned with a soy-based broth and generously topped with ‘Maboroshi no Kosho’ to add a spicy, flavorful accent. Crispy Genso no Kosho Nankotsu Karaage (fried cartilage) is priced at ¥482 (tax included), with the pepper providing a tempting, addictive flavor. The chain celebrates its 45th anniversary in 2026, and its signature pepper is a secret recipe developed through trial and error by the founder.

The menu combines Joyfull’s familiar family-restaurant dishes with the distinctive peppery flavor of World’s Yama-chan. Maboroshi no Kosho was developed through repeated experimentation by the founder of World’s Yama-chan and is known for its strong aroma and lingering spice.

Highlights

  • The four-dish menu starts at Joyfull restaurants nationwide on October 13, 2026, at 3:00 p.m.
  • Chicken Tatsuta and Joyfull Pepper Hamburger is priced at ¥1,032 (tax included).
  • The colorful salad set meal with young chicken Tatsuta costs ¥955 (tax included).
  • Hakata motsu hot pot set meal costs ¥1,142 (tax included), while chicken cartilage karaage costs ¥482 (tax included).
  • The menu marks a collaboration between Joyfull and World’s Yama-chan, which was founded in Nagoya in 1981.

Menu and Availability Details

ItemDetails
NameJoyfull x World’s Yama-chan Fair
Menu / itemsChicken Tatsuta and Joyfull Pepper Hamburger; Maboroshi no Kosho and Young Chicken Tatsuta Colorful Salad Set Meal; Maboroshi no Kosho Hakata Motsu Hot Pot Set Meal; Maboroshi no Kosho Chicken Cartilage Karaage
Release dateOctober 13, 2026, from 3:00 p.m.
PeriodFrom October 13, 2026; end date not specified in the release
LocationJoyfull restaurants nationwide in Japan
StoresJoyfull nationwide stores
PriceChicken Tatsuta and Joyfull Pepper Hamburger: ¥1,032 (tax included); Maboroshi no Kosho and Young Chicken Tatsuta Colorful Salad Set Meal: ¥955 (tax included); Maboroshi no Kosho Hakata Motsu Hot Pot Set Meal: ¥1,142 (tax included); Maboroshi no Kosho Chicken Cartilage Karaage: ¥482 (tax included)
Official websiteOfficial website

Before you buy

When can I buy the Joyfull x World’s Yama-chan menu?
The menu goes on sale at Joyfull restaurants nationwide from October 13, 2026, at 3:00 p.m. The release does not specify an end date.
How much is the Joyfull x World’s Yama-chan menu?
Prices range from ¥482 to ¥1,142 (tax included), depending on the dish.
Where can I get the collaboration dishes?
The four dishes are available at Joyfull stores nationwide in Japan.

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