The second collaboration between the TV drama “Delicious School Lunch Season 4,” starring Hayato Ichihara, and Iwatsuka Confectionery’s “Kinako Mochi” has been announced.
“Kinako Mochi: Pineapple Flavor,” inspired by the drama’s setting in Okinawa, will be available for a limited time, and a giveaway campaign—where customers can enter by purchasing eligible products—will begin on October 1, 2026.
・“Pineapple-Flavored Kinako Mochi,” inspired by Okinawa, is available for a limited time
・“Kinako Mochi” also features limited-edition collaboration packaging
・Campaign running from October 1 to December 20, 2026—enter by submitting a receipt
・A total of 235 winners will receive prizes, including a script autographed by Hayato Ichihara
Overview of the “Delicious School Lunch” × Iwatsuka Confectionery “Kinako Mochi” Second Collaboration
Following the 2025 collaboration with the movie “Delicious School Lunch: School Trip of Fire,” a second collaboration between Iwatsuka Confectionery’s “Kinako Mochi” and the TV drama “Delicious School Lunch Season 4” has been announced. This collaboration brings together the long-running bestseller “Kinako Mochi,” first released in 1982, and the school-based food comedy set in a 1980s junior high school.
Since Season 4—which premieres in October—is set in Okinawa, a limited-time “Kinako Mochi Pineapple Flavor” made with pineapple juice from Okinawa Prefecture is now available.
©2026 “Delicious School Lunches” Production Committee
| Collaboration Products | 18-pack Pineapple-Flavored Kinako Mochi (Limited Time Offer)/19-pack Kinako Mochi (Limited Edition Collaboration Packaging) |
|---|---|
| Sales | Supermarkets nationwide (shipments will be made sequentially) |
| Campaign Entry Period | October 1, 2026, 10:00 a.m. – December 20, 2026, 11:59 p.m. |
| Receipt Validity Period | October 1, 2026 – December 20, 2026 |
| How to Enter | Take a photo of your purchase receipt and submit it via LINE |
| Campaign Special Website | Iwatsuka Confectionery “Kinako Mochi” × TV Drama “Delicious School Lunch Season 4” Collaboration Campaign |
| Official X | @oishikyushoku |
Delicious School Lunch × Iwatsuka Confectionery: Eligible Kinako Mochi Products
The eligible products for this campaign are the two varieties of “19-Piece Kinako Mochi” and “18-Piece Pineapple-Flavored Kinako Mochi” featuring lead actor Hayato Ichihara on their collaboration packaging.
©2026 “Delicious School Lunches” Production Committee
18 pieces: Kinako Mochi (Pineapple Flavor)
This limited-time flavor features “Kinako Mochi” with a sweet-and-sour taste, made using pineapple powder derived from pineapple juice produced in Okinawa Prefecture. The light, crisp, and melt-in-your-mouth texture is complemented by an elegant sweetness. It has been available nationwide for a limited time since September 21, 2026, with a suggested retail price of around 260 yen (tax included).
19 Pieces Kinako Mochi
These rice crackers feature a blend of aromatic kinako and Wasanbon sugar, offering a light, fluffy sweetness and a gentle melt-in-your-mouth texture. They are available for a limited time in a collaboration package with “Delicious School Lunch Season 4.”
*“Kinako Mochi Pineapple Flavor” has a non-printed price (suggested retail price)
* Products will be shipped sequentially to supermarkets and confectionery sections nationwide
“Delicious School Lunch” × Iwatsuka Seika Kinako Mochi Giveaway Campaign
Submit a photo of your receipt showing a purchase of one or more eligible products via LINE for a chance to win “Delicious School Lunch” original merchandise and other prizes—a total of 235 winners will be selected by lottery. The lineup includes prizes that fans will love, such as Mr. Amari’s “Hidehira-style” My Chopsticks, which also appear in the school lunch scenes.
Prize A: Scripts signed by Hayato Ichihara (5 winners)
Prize B: Professor Amarida’s Hidehira-style “My Chopsticks” (30 winners)
Prize C: Iwatsuka Confectionery × Delicious School Lunch Acrylic Keychain (100 winners)
Prize D: Iwatsuka Confectionery Assortment (100 winners)
*Photos and illustrations are for illustrative purposes only
How to Enter the “Delicious School Lunches” × Iwatsuka Confectionery Kinako Mochi Campaign
Entries must be submitted via Iwatsuka Confectionery’s official LINE account. You may enter as many times as you like, but each person can win only once.
| Step 1 | Take a photo of proof of purchase (receipt, invoice, billing statement, purchase details, etc.) that meets the entry requirements (purchase of at least one eligible product) |
|---|---|
| Step 2 | Add the Iwatsuka Seika official LINE account as a friend |
| Step 3 | Tap the “Let’s Go! Enter the Campaign!” button in the menu at the bottom of the chat screen |
| Step 4 | Return to the chat room and tap the “Let’s Go! Enter the Campaign!” button again from the bottom menu |
| Step 5 | Follow the on-screen instructions to select your desired prize, submit a photo of your receipt, and complete your entry |
*Make sure the photo clearly shows the store name, date and time of purchase, the name of the eligible product, the price of the eligible product, and the quantity of the eligible product.
* If you purchased the item online or at a location other than a physical store, take a photo of the receipt, delivery slip, or purchase details
*If you paid by credit card, black out your card information before taking the photo
*Each entry is limited to one entry; even if you submit a receipt covering two or more items, it will be treated as a single entry
*Blurry or shadowed, or otherwise difficult to read may be deemed invalid
* For inquiries, please contact the “Kinako Mochi” × Drama “Delicious School Lunch Season 4” Collaboration Campaign Secretariat (info@iwatsuka-oishi-kyushoku2026.com/平日10:00–17:00, until February 26, 2027)
Frequently Asked Questions about “Delicious School Lunch” × Iwatsuka Confectionery Kinako Mochi
When is the campaign period?
The entry period runs from October 1, 2026, at 10:00 AM through December 20, 2026, at 11:59 PM. Receipts are valid from October 1 through December 20.
What products are eligible?
“19-Piece Kinako Mochi” and “18-Piece Kinako Mochi (Pineapple Flavor).” You can enter with a receipt showing the purchase of one or more of these products.
How do I enter?
Take a photo of your purchase receipt, add Iwatsuka Confectionery’s official LINE account as a friend, and enter via the menu in the chat screen.
What are the prizes?
Prize A: Script signed by Hayato Ichihara (5 winners); Prize B: “Hidehira-style” My Chopsticks by Professor Amari (30 winners); Prize C: Iwatsuka Confectionery × Delicious School Lunch Acrylic Keychain (100 winners); Prize D: Iwatsuka Confectionery Product Assortment (100 winners).
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Please check the official website for details.
*Please note that the information in this article may be out of date. We apologize for the inconvenience, but please check the official website for the latest information.
©2026 “Delicious School Lunches” Production Committee
