Kokuryu

The year is 1975. Japan is still feeling the aftershock of the oil crisis. Sake is a commodity -- an isshobin (一升瓶, 1.8 L bottle) costs around 1,000 yen, and anything labeled "Special Grade" is considered luxury. Then a small brewery at the foot of Eiheiji Temple in Fukui Prefecture does something unthinkable: it releases a bottle called "Kokuryu Daiginjo Ryu" (黒龍 大吟醸 龍) and prices it at 5,000 yen -- five times the going rate. The industry scoffs. "Who would pay that much for sake?" But this single bottle cracks open a door that will never close again. It proves that sake can be a luxury product, and in doing so, it lays the foundation for every premium sake that follows -- Juyondai, Dassai, Hiroki, and all the rest. Kokuryu is where the modern premium sake story begins.

Two Centuries in the Shadow of Eiheiji

Kokuryu Shuzo was founded in 1804 in Matsuoka-Kasuga, Eiheiji Town, Fukui Prefecture. The founder, Ishida-ya Nizaemon, established his brewery in the shadow of Eiheiji (永平寺), the grand head temple of Soto Zen Buddhism, founded by Dogen Zenji in the 13th century. The brewery's original trade name, "Ishida-ya," lives on today as the name of Kokuryu's most prestigious cuvee.

The brewery sits on the alluvial fan of the Kuzuryu River (九頭竜川, "Nine-Headed Dragon River"), whose waters originate in the Hakusan mountain range. This river provides the soft groundwater used in brewing -- water with low mineral content that ferments slowly and yields sake of fine-grained delicacy. Kokuryu's elegance starts with this water.

For roughly 170 years, Kokuryu was a quiet, local brewery. Everything changed when the seventh-generation owner, Masato Mizuno, took over in the late 1960s. Mizuno was an unusual brewer -- a graduate of the University of Tokyo's literature department. He traveled to France's wine regions, studying aging techniques and the concept of terroir, and returned with an audacious idea: to apply those principles to sake.

1975 -- The Bottle That Changed Everything

Before 1975, ginjo-grade sake existed primarily as a showpiece. Breweries would polish rice to 50% or below, ferment it slowly at low temperatures, and extract ethereal aromas -- but only for competition entries and private tastings. Selling such an expensive, labor-intensive product commercially was considered impractical.

Mizuno disagreed. Inspired by how French winemakers aged and marketed their finest bottles, he decided to release a long-aged daiginjo to the public at a price that reflected its true cost. Five thousand yen for an isshobin in 1975 was audacious -- more than triple what a "premium" sake cost at the time.

The skeptics were wrong. Discerning drinkers in Tokyo discovered the bottle and spread the word. Orders flowed in from elite ryotei (料亭, traditional restaurants) and department stores nationwide. What Kokuryu proved was simple but revolutionary: a market existed for sake that was expensive because it was genuinely superior, not because of artificial scarcity. Every premium sake boom that followed -- Juyondai in the 1990s, Dassai in the 2000s -- traces its lineage back to this 1975 release.

Fukui's Gohyakumangoku -- Terroir on the Palate

A distinguishing feature of Kokuryu is its deep commitment to Fukui-grown Gohyakumangoku rice (五百万石). Originally developed in Niigata, this variety is also cultivated extensively in Fukui and is prized for its low protein content, which produces clean, lean sake with excellent cut on the finish. For its top-tier daiginjo expressions, Kokuryu sources Yamada Nishiki from Hyogo Prefecture's elite Tojo district (東条地区), but the brewery's core philosophy remains rooted in local ingredients.

This localism resonates with a Zen principle attributed to Dogen himself: "Dig beneath your feet; there you will find a spring." Kokuryu's interpretation is straightforward -- the best sake comes from the rice and water of your own land.

• Gohyakumangoku (Fukui-grown): Clean, crisp, with a precise dry finish.
• Yamada Nishiki (Hyogo Tojo-district): Reserved for the pinnacle daiginjo line -- aromatic, layered, rich.
• Kuzuryu River groundwater: Soft water that ferments gently, producing fine-textured sake.
• Low-temperature, long fermentation: Slowly drawing out ginjo aromatics while suppressing off-flavors.

Ishida-ya, Nizaemon, Shizuku -- The Pinnacle Releases

Kokuryu's top tier is named after the founder and his successors -- a lineage etched into every label.

• Ishida-ya (石田屋): A junmai daiginjo made from Hyogo Tojo-district Yamada Nishiki polished to 35%. Widely considered one of Japan's finest sakes. Limited production, allocated by lottery at select retailers.
• Nizaemon (二左衛門): A long-aged daiginjo named for the founder. Rich, contemplative, and deeply layered.
• Shizuku (しずく): A "drip sake" produced by the fukuro-tsuri (袋吊り) method -- the mash is hung in cloth bags and the sake drips out under gravity alone, with no pressure applied. The result is crystalline purity.
• Muni (無二, "Without Equal"): An experimental limited release that embodies the brewery's spirit of quiet innovation.

These top-tier bottles are extremely limited and command secondary-market premiums. But Kokuryu's standard Daiginjo (around 3,000 yen retail) is one of the best entry points into the daiginjo category available anywhere -- elegant ginjo aromatics, clean body, and a versatile food-pairing character that reflects Fukui's terroir in every sip.

Zen Aesthetics in a Bottle

Kokuryu's location at the doorstep of Eiheiji is not merely geographic coincidence. The temple, where some 200 unsui (雲水, Zen monks) still train daily, teaches that every action -- eating, walking, cleaning -- is practice. Sake brewing demands the same total presence: the tactile sensitivity of tending koji, the weight of a mixing paddle in the moromi, the concentration required to judge fermentation by sound alone.

This Zen influence permeates Kokuryu's visual identity as well. Labels are spare -- white ground, brushed calligraphy, no ornamentation. Bottle shapes are traditional. Advertising is minimal. The brewery prefers to "communicate without speaking" -- a philosophy that is, perhaps, the purest expression of Zen aesthetics in the sake world.

How to Enjoy Kokuryu

Kokuryu's daiginjo range calls for a setting that matches its understated refinement.

• Serve at 10-12 C (50-54 F): Cool but not ice-cold, allowing the delicate aromatics to unfold.
• Use a thin-walled wine glass: Kokuryu's subtlety rewards a glass that does not get in the way.
• Pair with restrained Japanese cuisine: White-fish sashimi, salt-grilled fish, yu-dofu (湯豆腐), clear suimono (吸い物) broth -- dishes where the ingredient itself is the star.
• Savor in quiet company: Kokuryu suits a contemplative evening rather than a rowdy gathering. A solo glass or a conversation between two is the ideal context.

The ultimate pairing: a winter night, the sweet flesh of Echizen-gani (越前蟹, Fukui's prized snow crab), and a glass of Kokuryu Daiginjo. Crab from Fukui's sea, sake from Fukui's water and rice -- the harmony is absolute. Local food with local sake: a simple truth, proven one sip at a time.

In 1975, Masato Mizuno dared to ask whether sake could be a luxury. Half a century later, his answer sits on wine lists at the world's finest restaurants. From the foot of a Zen temple in Fukui, Kokuryu continues to be brewed as it always has been -- with water, rice, time, and faith. That quiet constancy is the reason it endures.