On Sale Soon! "Black Thunder Lure" Available at Fishing Tackle Shops Nationwide from Thursday, April 9, 2026
DUO Inc., a lure manufacturer, has collaborated with Yuraku Confectionery to release the "Black Thunder Lure" on April 9, 2026. This product perfectly recreates the visual of the famous chocolate bar while packing serious, functional fishing performance.
📋 Article Processing Timeline
- 📰 Published: April 9, 2026 at 20:00
- 🔍 Collected: April 9, 2026 at 11:30
- 🤖 AI Analyzed: April 20, 2026 at 09:37 (262h 6m after Collected)
DUO Inc., a lure manufacturer (Headquarters: Yaizu City, Shizuoka Prefecture, CEO: Masahiro Adachi), will release the "Black Thunder Lure," developed in collaboration with Yuraku Confectionery Co., Ltd. (Headquarters: Kodaira City, Tokyo, President: Tatsunobu Kawai), at fishing tackle shops nationwide starting Thursday, April 9, 2026.
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During the pre-sale at "Fishing Fest 2026 in YOKOHAMA" held at Pacifico Yokohama this January, the product, limited to 100 units per day, sold out in a minimum of 10 minutes. The visual impact and its perfection as a "lure that can actually be used" became a hot topic, generating a massive response.
This product was developed alongside Yuraku Confectionery and Kayac Inc. as a new proposition combining "the joy of fishing" with "playfulness." After about 9 months of testing, it was completed as a "product with practical fishing performance" that applies DUO's lure design know-how while reproducing the iconic visuals of Black Thunder.
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## A Unique Design Reached After Trial and Error
Behind the Scenes of DUO's Challenge in Unprecedented Lure Development
"Turning Black Thunder into a lure." This project was a continuous series of difficulties from the beginning. Metal jigs, worms, jointed types... ideas were explored and discarded. How to create "actions that catch fish" while maintaining the square package shape. What the development team faced was a battle against the common sense of lure design.
The biggest breakthrough was the reversal idea of utilizing "that zigzag" of the package. The full story of the "trial and error" of blood and sweat that transcended a mere joke to harbor serious practical fishing performance can be viewed in the article by Kayac Inc., a fun corporation.
The article can be found here (URL omitted in text formatting).
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## "Black Thunder Lure" Product Features
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During the pre-sale at "Fishing Fest 2026 in YOKOHAMA" held at Pacifico Yokohama this January, the product, limited to 100 units per day, sold out in a minimum of 10 minutes. The visual impact and its perfection as a "lure that can actually be used" became a hot topic, generating a massive response.
This product was developed alongside Yuraku Confectionery and Kayac Inc. as a new proposition combining "the joy of fishing" with "playfulness." After about 9 months of testing, it was completed as a "product with practical fishing performance" that applies DUO's lure design know-how while reproducing the iconic visuals of Black Thunder.
---
## A Unique Design Reached After Trial and Error
Behind the Scenes of DUO's Challenge in Unprecedented Lure Development
"Turning Black Thunder into a lure." This project was a continuous series of difficulties from the beginning. Metal jigs, worms, jointed types... ideas were explored and discarded. How to create "actions that catch fish" while maintaining the square package shape. What the development team faced was a battle against the common sense of lure design.
The biggest breakthrough was the reversal idea of utilizing "that zigzag" of the package. The full story of the "trial and error" of blood and sweat that transcended a mere joke to harbor serious practical fishing performance can be viewed in the article by Kayac Inc., a fun corporation.
The article can be found here (URL omitted in text formatting).
---
## "Black Thunder Lure" Product Features