The second collaboration product between Seijo Ishii and Tokyo-based specialty coffee brand Sarutahiko Coffee is set to arrive at Seijo Ishii stores nationwide. The "Seijo Ishii x Sarutahiko Coffee Mocha Harmony Blend Drip Bag" will go on sale on Sunday, April 12, 2026.
Following the success of the first collaboration product—the "Silky Blend Drip Bag" released in November 2024—this new offering brings a different coffee profile to the lineup.
Seijo Ishii x Sarutahiko Coffee Mocha Harmony Blend Drip Bag

The Mocha Harmony Blend is built around Ethiopian beans from producer Niguse Gemeda, who has won the international coffee competition "Cup of Excellence." The blend is a medium-dark roast that highlights Ethiopia's rich flavors, balancing pleasant acidity with sweetness. Notes of flowers, ripe apricot, and a smooth mouthfeel define the cup.


Product Details
Seijo Ishii x Sarutahiko Coffee Mocha Harmony Blend Drip Bag
- Contents: 12g x 8 bags
- Price: ¥1,178 (tax included / tax excluded price: ¥1,090)
- On sale: Sunday, April 12, 2026
*Availability may vary by store and region.
The First Collaboration Product

The first collaboration, the "Silky Blend Drip Bag," launched in November 2024. It is a dark roast blend known for its silky smooth texture and rich, toasty aroma. The Mocha Harmony Blend Drip Bag was developed as a follow-up to the warm reception this first product received.