
Days Coffee Roaster
Days Coffee Roaster is a Niigata specialty roaster, with cafes in Furumachi (Nishibori) and Onoike. Founder Shirai-san leans into innovative processing — nitrogen-anaerobic, carbonic maceration, thermal-shock and infused lots — alongside classic single origins, with a stated focus on highlighting each bean's natural personality.
Dona Nenem Decaf
Nyagishiru
Nyagishiru City Roast
Alfinner Lintong
Kaguyu Light
Kilimbi
Vunga CWS A1 Top
Shira Pineapple Maceration
Chire Nigussie Gemeda
El Injerto Bourbon
Venecia
Al Valle Fidel
Guji Dari Decaf
Chiapas Decaf
Tamiru Tadesse Ambessa Lot 2024
Vanilla Oak Barrel
Guariroba Days Lot 02
Guariroba Days Lot 01
Idido Wachota Dark
Idido Wachota Light
Lemon Candy
Apricot Punch
La Marquesa
La Josefina
Maguta Nitrogen
Aroma Nativo Geisha 354
Nitrogen Jasper 0825
Days Coffee Roaster has 27 active beans in the Cascara catalog sourced from 12 origin countries (Ethiopia, Colombia, Brazil, Rwanda, Burundi, Kenya, Ecuador, Indonesia, Guatemala, Costa Rica, Mexico, China), processed nitrogen anaerobic natural / wet hulled / pineapple maceration infused / semi-washed / red honey / mountain water decaf / vanilla-infused oak barrel washed / carbonic maceration + thermal shock black honey / carbonic maceration + thermal shock washed / carbonic maceration / anaerobic natural / anaerobic natural swiss water decaf / infused co-fermentation / yeast-fermented washed (apricot infused) / triple-fermented washed / washed / honey / honey lactic fermentation / natural / natural mountain water decaf.
- Dona Nenem Decaf — experimental-identity coffee from Brazil, anaerobic natural swiss water decaf process.
- Nyagishiru — clean-identity coffee from Burundi, washed process.
- Nyagishiru City Roast — classic-identity coffee from Burundi, washed process.
- Alfinner Lintong — fluid-identity coffee from Indonesia, wet hulled process.
- Kaguyu Light — clean-identity coffee from Kenya, washed process.
- Kilimbi — fluid-identity coffee from Rwanda, honey process.
- Vunga CWS A1 Top — clean-identity coffee from Rwanda, washed process.
- Shira Pineapple Maceration — experimental-identity coffee from Rwanda, pineapple maceration infused process.
- Chire Nigussie Gemeda — fluid-identity coffee from Ethiopia, natural process.
- El Injerto Bourbon — clean-identity coffee from Guatemala, washed process.
- Venecia — clean-identity coffee from Colombia, semi-washed process.
- Al Valle Fidel — fluid-identity coffee from Costa Rica, red honey process.
- Guji Dari Decaf — fluid-identity coffee from Ethiopia, natural mountain water decaf process.
- Chiapas Decaf — fluid-identity coffee from Mexico, mountain water decaf process.
- Tamiru Tadesse Ambessa Lot 2024 — clean-identity coffee from Ethiopia, washed process.
- Vanilla Oak Barrel — experimental-identity coffee from China, vanilla-infused oak barrel washed process.
- Guariroba Days Lot 02 — experimental-identity coffee from Brazil, carbonic maceration + thermal shock black honey process.
- Guariroba Days Lot 01 — experimental-identity coffee from Brazil, carbonic maceration + thermal shock washed process.
- Idido Wachota Dark — experimental-identity coffee from Ethiopia, anaerobic natural process.
- Idido Wachota Light — experimental-identity coffee from Ethiopia, anaerobic natural process.
- Lemon Candy — experimental-identity coffee from Colombia, infused co-fermentation process.
- Apricot Punch — experimental-identity coffee from Colombia, yeast-fermented washed (apricot infused) process.
- La Marquesa — experimental-identity coffee from Ecuador, carbonic maceration process.
- La Josefina — experimental-identity coffee from Ecuador, triple-fermented washed process.
- Maguta Nitrogen — experimental-identity coffee from Kenya, nitrogen anaerobic natural process.
- Aroma Nativo Geisha 354 — experimental-identity coffee from Colombia, honey lactic fermentation process.
- Nitrogen Jasper 0825 — experimental-identity coffee from Ethiopia, nitrogen anaerobic natural process.
Every bean in the cellar sits in the bean directory.





























