GENSEN HOLDINGS Co., Ltd. (Headquarters: Chuo-ku, Tokyo, Representative Director: Shunsuke Kawasaki), which operates 75 hot spring hotels, inns, and theme parks nationwide, is pleased to announce that Oedo Onsen Monogatari Kimitsu no Mori (hereinafter referred to as "Kimitsu no Mori") and Oedo Onsen Monogatari Hotel Leoma no Mori (hereinafter referred to as "Hotel Leoma no Mori") will begin offering the further evolved "~Japan Nationwide Donburi Fair~" in their lunch buffets starting today, July 2 (Thu).

"Choose, top, and be greedy!" Today, July 2 (Thu), Oedo Onsen Monogatari's popular specialty "Nokkedon" will appear in the lunch buffet with new menu items. Including the freshly fried and crispy "Aosa Nori Tempura Don" with the aroma of seaweed, and the stamina-filled "Yuba and Mapo Tofu Don" with authentic mapo tofu and rich yuba, a total of 4 new unique dishes will be added, bringing together local gourmet foods from all over Japan at the buffet venue! Freely combine the "deliciousness" from across the country to create the best unforgettable memory for your lunch time with family and friends. Enjoy a blissful donburi experience at Oedo Onsen Monogatari to blow away the summer heat.

"Kimitsu no Mori" Lunch Buffet Details: https://x.gd/R2rUp

"Hotel Leoma no Mori" Lunch Buffet Details: https://x.gd/j3Dje

~Japan Nationwide Donburi Fair~ Details

・Period: July 2, 2026 (Thu) - September 1, 2026 (Tue)

・Participating Facilities: Kimitsu no Mori (Chiba Prefecture) - Hotel Leoma no Mori (Kagawa Prefecture)

・Business Hours: 11:30 - 14:30 (Last entry 14:00)

~Japan Nationwide Donburi Fair~ Menu List

・Fukui Specialty Sauce Katsu Don

・Bokkake Don [NEW]

・Katsuo no Tataki Don

・Torichan Don

・Aosa Nori Tempura Don [NEW]

・Sanzoku Yaki Don

・Sendai Fu no Tamatoji Don

・Oita Specialty Toriten Don

・Yuba and Mapo Tofu Don [NEW]

・Koshu Specialty Tori Motsuni Don [NEW]

Bokkake Don Aosa Nori Tempura Don

Yuba and Mapo Tofu Don Koshu Specialty Tori Motsuni Don

※Photos are for illustrative purposes only.

※Menu items and serving periods may change depending on ingredient availability.

[Lunch Buffet and Lunch Buffet with Bath Prices Revised from Wednesday, July 1, 2026]

Kimitsu no Mori

Lunch Buffet

・Business Hours: 11:30 - 14:30 (Last entry 14:00, 60-minute meal time limit) Reservations not required

Category

Weekdays

Weekends/Holidays/Peak Days

Adult

1,540 yen

2,500 yen

Elementary School Student

720 yen

1,200 yen

Preschooler

300 yen

400 yen

Under 3 years old

Free

Free

※Prices include consumption tax.

Lunch Buffet with Bath

・Business Hours: Meal 11:30 - 14:30 (Last entry 14:00, 60-minute meal time limit) Reservations not required

Bathing 11:00 - 20:00 (Last entry 19:00)

Category

Weekdays

Weekends/Holidays/Peak Days

Adult

1,840 yen

2,800 yen

Elementary School Student

920 yen

1,420 yen

Preschooler

380 yen

500 yen

Under 3 years old

Free

Free

※Towels can be rented for an additional fee of 330 yen.

※Prices include consumption tax.

※Weekend/Holiday limited menus and "Ii Furo" membership discounts, as well as lunch ticket sales, ended on June 30, 2026, due to price revisions.

Hotel Leoma no Mori

Lunch Buffet

・Business Hours: 11:30 - 14:30 (Last entry 14:00, 90-minute meal time limit) Reservations not required

Category

Weekdays

Weekends/Holidays/Peak Days

Adult

1,890 yen

2,500 yen

Elementary School Student

1,200 yen

1,500 yen

Preschooler

300 yen

400 yen

Under 3 years old

Free

Free

※Prices include consumption tax.

Lunch Buffet with Bath

・Business Hours: Meal 11:30 - 14:30 (Last entry 14:00, 90-minute meal time limit) Reservations not required

Bathing 11:30 - 24:00 (Last entry 22:00)

Category

Weekdays

Weekends/Holidays/Peak Days

Adult

2,490 yen

3,100 yen

Elementary School Student

1,690 yen

1,990 yen

Preschooler

790 yen

890 yen

Under 3 years old

Free

Free

※Towels can be rented for an additional fee of 330 yen.

※Prices include consumption tax and bathing tax.

※Weekend/Holiday limited menus ended on June 30, 2026, due to price revisions.

To allow more people to enjoy delicious meals more casually, we have significantly reduced the preschooler rates at "Hotel Leoma no Mori." Please enjoy a luxurious lunch time during your summer leisure with our reassuring pricing.

[Chugoku-Shikoku's Largest Resort Pool "Leoma Waterland" Opens June 26 (Fri)!]

Spanning approximately 6,000 square meters, the facility is equipped with a 260-meter long lazy river, a wave pool, and three popular water slides. Furthermore, it features a new type of pool with fun attractions such as Shikoku's only adventure pool, a bucket splash, and an aqua deck, as well as a kids' pool. Entertainment, including limited-time Hula Girl shows on the stage, can also be enjoyed. Staying at the adjacent "Hotel Leoma no Mori" allows you to fully enjoy the pool without the hassle of travel. The highly popular 60-meter long "Super Long Fluffy Slider (paid)" will appear for a limited time!!

※Limited-time content will be updated as soon as it is decided.

Leoma Waterland Details

・Period: June 26, 2026 (Fri) - September 23, 2026 (Wed, Holiday) (scheduled)

・Business Hours: https://x.gd/IL4iN

・Location: Leoma Waterland (Outdoor Pool)

・Admission Fees: https://x.gd/UBBOv

※Swimming and slider operations may be suspended if deemed dangerous due to weather conditions such as strong winds, heavy rain, or lightning. Please note that refunds will not be issued for any reason in such cases.

※When children are swimming, they must be supervised by a guardian. Swimming will be refused if deemed dangerous. Guardians must wear swimwear and swim with the children.

※Entry to Leoma Waterland is strictly prohibited for individuals with tattoos or body art, regardless of size.

※T-shirts, rash guards, taping, and supporters cannot be used to cover them.

Click here for details: https://x.gd/TmqTh

Introduction to Hotels and Inns Participating in the "~Japan Nationwide Donburi Fair~".

"Kimitsu no Mori": An Inn Offering Easy Access from the Tokyo Metropolitan Area and Enjoyment of Nature and Creative Buffets

"Kimitsu no Mori" is an inn easily accessible within about an hour's drive from the city center.

Popular outlet parks and tourist farms are scattered within a 30-40 minute drive from the inn, making it an attractive location where anyone, whether with family, couples, or friends, can enjoy a full day. You can also relax and soothe the fatigue of your trip in the spacious baths.

※The indoor bath is an artificial hot spring (Koumeiseki-no-yu) and not a natural hot spring.

※The jet bath and open-air bath are heated water (not Koumeiseki-no-yu).

▼Access

Address: 384-119 Hokke, Kimitsu City, Chiba Prefecture, 292-1144

Access: Approximately 20 minutes from Kimitsu IC on the Tateyama Expressway

Official Website: https://x.gd/Bdb9B

"Hotel Leoma no Mori": A Hot Spring Hotel Full of Fun with Hot Springs, Gourmet Buffets, and an Amusement Park!

"Hotel Leoma no Mori" in Kagawa Prefecture is a hot spring hotel where you can enjoy both active holidays and relaxing moments. Soothe your mind and body with our own hot spring source and satisfy your stomach and soul with a luxurious buffet featuring seasonal ingredients.

▼Access

Address: 40-1 Kurikuma Nishi, Ayauta-cho, Marugame City, Kagawa Prefecture, 761-2405

Access: Approximately 30 minutes from Zentsuji IC on the Takamatsu Expressway, approximately 15 minutes from Fuchu Lake PA (Smart IC)

Official Website: Hotel Leoma no Mori: https://x.gd/aVUz4

NEW Leoma World: https://x.gd/GJps0

[Company Profile]

Company Name: GENSEN HOLDINGS Co., Ltd.

Location: Ginza Kobiki Building 5F, 7-16-21 Ginza, Chuo-ku, Tokyo, 104-0061

Date of Establishment: December 5, 2017 (Founded November 2001)

Capital: 100 million yen

Representative Director: Shunsuke Kawasaki

Business Activities: Operation of hot spring inns, hotels, bathing facilities, and theme parks nationwide

(75 facilities nationwide as the Oedo Onsen Monogatari Group. As of July 2026)

URL: https://corporate.ooedoonsen.jp/

FACT BOX

  • Source: PR TIMES
  • Category: Event