When you buy frozen unagi kabayaki (eel grilled with a sweet soy glaze) in three types at once, it is hard to tell how much of each you get and how the types are meant to be used differently. This article looks at the “Domestic Unagi Kabayaki 3-Type Set” from うなぎ屋かわすい (a set where you choose the size of the whole fillet, whether sansho is included, and the packaging), using the Rakuten Ichiba product page (including the product description images) and Rakuten customer reviews, and organizes it into five points: quantity, storage and shelf life, ingredient labeling, suitability as a gift, and reviews.
What We Confirmed
- Quantity and how many servings
- Storage method and shelf life
- Ingredients and allergen labeling
- Whether it works as a gift
- Trends in public reviews
Basic Information
This table transcribes what is stated on the product page. However, the “not confirmed” labels and any notes we add are our own.
| Product name | Domestic Unagi Kabayaki 3-Type SetSource: “Product name” field on the Rakuten Ichiba product page (viewed October 10, 2026) |
|---|---|
| Product type | Not confirmed |
| Quantity | 1 whole kabayaki fillet (nagayaki) + 2 cut kabayaki pieces (80g in total) + 75g of chopped unagi kabayaki (kizami unagi), 1 serving (50g eel, 25g sauce). The total weight of eel is 280g with the Mini whole fillet, 300g with the Regular, and 330g with the Big. Sauce comes in 2 packets of 20g each for the whole fillet and for the cut pieces. The page also says the whole fillet is increased during certain periods (Regular 170g becomes 230g), but the period is not confirmedSource: product description on the Rakuten Ichiba product page |
| Options that change what you receive | Whole fillet size: Mini 150g / Regular 170g / Big 200g Sansho (Japanese pepper): none / included (5 small packets of 0.2g) Packaging: plain white box / gift box / gift box for Dad / gift box for Mom / birthday boxSource: purchase section and product description on the Rakuten Ichiba product page (viewed October 10, 2026) |
| Storage | Keep frozen (-18℃ or below)Source: product description on the Rakuten Ichiba product page |
| Best-before date | Stated as “6 months or more” (the starting point is not confirmed)Source: product description on the Rakuten Ichiba product page |
| Shelf life after thawing | Not confirmed |
| Origin of main ingredient | Japanese eel (domestic). The region of origin is not confirmed. The product description images explain that the origin can be looked up by the lot number printed on the bagSource: product description and product description images on the Rakuten Ichiba product page |
| Place of processing | Not confirmed |
| Condition / how to eat (heating required?) | It arrives as frozen kabayaki. We found no statement on the product page saying whether it is raw or already cooked. The shop’s guidance covers eating it after thawing, and finishing it by grilling after thawingSource: product description and product description images on the Rakuten Ichiba product page |
| Thawing | The shop’s guidance gives two ways: thaw it in its vacuum bag in a hot-water bath of boiling water, or warm it in a microwave (faster). The finishing method the shop describes is to thaw in a hot-water bath, take it out of the bag, and grill it in a toaster oven or fish grillSource: product description images (how-to-eat guidance) |
| Delivery | The type of chilled/frozen courier service is not confirmed; please check the product page. The desired delivery date is entered in the remarks field, and the page says dates more than 60 days ahead cannot be selectedSource: product description on the Rakuten Ichiba product page |
| Manufacturer | 川口水産株式会社 (212 Takigawara, Miyahara-cho, Arida City, Wakayama Prefecture)Source: “Manufacturer / seller” field on the Rakuten Ichiba product page |
| Shop | うなぎ屋かわすい (Rakuten Ichiba) |
Prices are not listed here because they change. Please check the current price and stock availability at the link above.
Ingredients and Allergen Labeling
The product page lists the ingredients as follows (Source: product description on the Rakuten Ichiba product page, viewed October 10, 2026).
- Whole fillet and cut pieces: Japanese eel (domestic), soy sauce (contains wheat and soybeans), reduced starch syrup, fermented seasoning, sugars (sugar, high-fructose glucose syrup, starch syrup), mirin, powdered starch syrup, starch, yeast extract
- Chopped unagi: Japanese eel (domestic), sugars (high-fructose glucose syrup, sugar, starch syrup), soy sauce (contains wheat and soybeans), mirin, fermented seasoning, salt, reduced starch syrup, starch, powdered starch syrup, yeast extract, coloring (caramel), seasoning (amino acids, etc.)
- Included sauce: soy sauce (made in Japan; contains wheat and soybeans), fermented seasoning (glucose, rice-brewed liquid, alcohol, fermented seasoning, salt), sugar, mirin, eel extract, yeast extract
The allergen field states “wheat and soybeans.” We found no inconsistency within the product page. When you buy, always check the official listing at the link and the ingredient label on the product you receive.
Reference: Consumer Affairs Agency, Japan, “About Allergen Labeling” (accessed October 10, 2026)
Five Things to Check Before Buying
| What to check | For this product | Basis |
|---|---|---|
| 1. Quantity and servings | 1 whole fillet + 2 cut pieces (80g) + 75g chopped unagi, 1 serving. The eel totals 280g / 300g / 330g (depending on the whole fillet size). The number of servings is not confirmed | Product description on the Rakuten Ichiba product page. No statement on servings |
| 2. Storage and shelf life | Keep frozen (-18℃ or below); stated as “6 months or more.” Shelf life after thawing is not confirmed | Product description on the Rakuten Ichiba product page |
| 3. Ingredients and allergen labeling | Allergens are wheat and soybeans. The eel is domestic Japanese eel, and the region of origin is not confirmed | Product description on the Rakuten Ichiba product page |
| 4. Whether it works as a gift | Noshi (gift wrapping label) is supported (shown as free; subject to change as of October 10, 2026; the inscription is specified in the remarks field). Gift boxes can be chosen by occasion. No message card was found | Rakuten Ichiba product page and product description images |
| 5. Review trends | Rakuten Ichiba rating 4.62/5 (19,544 reviews). We read 115 reviews: the first 56 in Rakuten’s standard order, plus 29 ★1 and 30 ★2 reviews (posted June 2020–September 2026, latest September 2026). The following are trends within what we read and may not reflect the product’s current condition. Many reviews praise the taste and its use as a gift, while some also mention small bones, quantity, and delivery date | Rakuten customer reviews (viewed October 10, 2026) |
Suitable as a Gift?
The product page confirms that it supports noshi (gift wrapping label) and gift packaging (Source: Rakuten Ichiba product page and product description images, viewed October 10, 2026).
- Noshi: a noshi service is available (shown as free; subject to change as of October 10, 2026), and the inscription and names are specified in the remarks field. The list of available inscriptions is not confirmed
- Packaging: the options include boxes for Dad, for Mom, and for birthdays, as well as a gift box. A plain white box is also an option
- Message card / name printing: we could not confirm these
- Ordering multiple sets: the page says that sets with the same delivery temperature are delivered in one box. If you want them packed separately, you give instructions in the remarks field
- Effort on the recipient’s side: because it arrives frozen, check that they have freezer space and when they can receive it
About 32 of the 56 reviews in the standard order mention buying it as a gift for parents or others and its being appreciated (a trend within what we read; it may not reflect the product’s current condition). On the other hand, among the 59 ★1 and ★2 reviews, about 8 mention torn or leaking sauce bags (4 of them within the past 2 years), and about 6 mention problems with noshi or wrapping (1 within the past 2 years). Some reviews also say the plain white box did not feel suitable for a gift, or that the item did not arrive in gift wrapping (Source: Rakuten customer reviews, viewed October 10, 2026).
What Public Reviews Say
We organized the Rakuten Ichiba product reviews by topic. Ratings are as of the date viewed and may change afterward.
| Site | Rating | Reviews | Date viewed |
|---|---|---|---|
| Rakuten customer reviews (product page) | 4.62 / 5 | 19,544 | October 10, 2026 |
Rating breakdown: 5★ 13,961 / 4★ 4,324 / 3★ 877 / 2★ 206 / 1★ 176 (as shown on Rakuten Ichiba, viewed October 10, 2026)
What we read: the first 56 reviews in Rakuten’s standard order (posted December 2025 to September 2026; latest September 2026), 29 reviews filtered to 1★ (posted June 2021 to August 2026), and 30 reviews filtered to 2★ (posted June 2020 to July 2026), 115 in total. The reviews in standard order lean toward summer (around Father’s Day and Doyo no Ushi no Hi, the midsummer day on which eel is traditionally eaten). The 1★ and 2★ reviews include older posts from 2020; within the past 2 years (since October 2024) there are 8 of each. These are trends within what we read and may not reflect the product’s current condition.
What Reviewers Praise
Taste
About 39 of the 56 reviews in standard order said it tasted good. All of them were posted within the past 2 years.
Satisfaction as a gift
About 32 reviews said it was bought as a gift for parents or others and was appreciated. Many describe giving it for Father’s Day or a birthday.
Repeat purchases
About 17 reviews said they buy it every year or will order again.
Using the three types differently, and convenience
About 9 reviews said they like using the whole fillet, cut pieces, and chopped unagi differently, that the hot-water bath makes it easy, or that the small portions are convenient to use.
Source: Rakuten customer reviews (viewed October 10, 2026)
What Reviewers Note
Small bones
13 of the 59 ★1 and ★2 reviews (3 of them within the past 2 years) said there were many small bones or that bones stayed in the mouth.
How to check: the shop’s guidance on grilling to finish is in the “Thawing” row of “Basic Information” in this article.
Small or little quantity
12 of the 59 ★1 and ★2 reviews (3 of them within the past 2 years) said the quantity felt small, thin, or little.
How to check: the weight of each size is in the “Quantity” row of “Basic Information” in this article (75g of chopped unagi; 80g for 2 cut pieces).
Delivery date not as requested
13 of the 59 ★1 and ★2 reviews (4 of them within the past 2 years) said it arrived late or not on the specified date and time. Some mention orders placed around Mother’s Day, Father’s Day, and Doyo no Ushi no Hi.
How to check: the shop’s guidance on the desired delivery date is in the “Delivery” row of “Basic Information” in this article.
In addition, 8 of the 59 ★1 and ★2 reviews (4 of them within the past 2 years) mentioned a fishy or muddy smell.
Source: Rakuten customer reviews (viewed October 10, 2026)
Who It Suits / Who Should Be Careful
Who It Suits
- You want to enjoy three forms, whole fillet, cut pieces, and chopped unagi, in different ways
- You want to keep it in the freezer and thaw only what you need, for example in a hot-water bath
- You want to choose the size of the whole fillet (150g, 170g, or 200g)
- You want to choose a gift box by occasion (for Dad, for Mom, or for a birthday)
Who Should Be Careful
- You have a wheat or soybean allergy (listed in the allergen field)
- You want a guide to the amount per serving (the number of servings is not confirmed; chopped unagi is 75g and the cut pieces are 80g for 2)
- You are sensitive to small bones or smell (reviews mention them)
- You are particular about the delivery date or the condition of the packaging (reviews mention them)
Prices, stock, shipping fees, and delivery dates are subject to change. This article’s information-as-of date is October 10, 2026. Please be sure to check the listing at the link before purchasing.
This article contains affiliate links (advertising). Editorial Policy
Summary
- The set has 3 types: 1 whole fillet, 2 cut pieces (80g), and 75g of chopped unagi, 1 serving. The eel totals 280g, 300g, or 330g depending on the whole fillet size. The number of servings is not confirmed
- Keep it frozen (-18℃ or below); stated as “6 months or more.” Shelf life after thawing and the region of origin are not confirmed, and the allergens are wheat and soybeans
- It supports noshi and gift boxes by occasion. Reviews (trends within what we read) mention small bones, quantity, and delivery date, so if you plan to give it as a gift, check the packaging options
Related Pages
This article organizes information published on various retail and review sites. Product details such as quantity, storage method, and ingredients are subject to change. Please check the seller’s listing for the latest information.
Comments on taste or quality are summarized from third-party posts cited with their source, and are not Ochinity’s own evaluation. Our approach to writing articles is described in our Editorial Policy.
Information as of: October 10, 2026 / Sources: Rakuten Ichiba “うなぎ屋かわすい” product page, Rakuten customer reviews, Consumer Affairs Agency, Japan, “About Allergen Labeling”
![Featured image. Product photo of Masuyone Echizen Amaebi without roe 500g (small size, wakeari): reddish shell-on sweet shrimp (amaebi) with heads and long antennae, piled tightly across a black bowl. Text the shop placed in the image: “訳ありでお得な［越前甘えび］をたっぷりとお届け。” (a generous helping of the good-value wakeari [Echizen amaebi]) and “［訳あり］子なし越前甘えび 500g” ([wakeari] Echizen amaebi without roe, 500g)](https://ochinity.com/wp-content/uploads/2026/10/eye-ebi-masu10000332-en-300x158.webp)
Comments