Chanterêves is the project of husband and wife Tomoko Kuriyama and Guillaume Bott, founded in Savigny-lès-Beaune in 2010 after careers at Etienne Sauzet, Simon Bize, and Weingut Altenkirch. Both trained in oenology—Tomoko in Germany, Guillaume in Burgundy—and met during harvest at Simon Bize, where their shared instinct for purity and restraint became the foundation of everything that followed. "We both like purity and elegance," Tomoko has said. They make wine by infusion rather than extraction, letting the fruit steep gently in its own juice; as The Feiring Line put it, wines of infusion "wash over you like a breeze instead of a heat blast." In 2020 they acquired 4.9 hectares of their own vines across Savigny, Chorey, and the Hautes Côtes de Beaune, and what began as a négoce has grown into one of the Côte de Beaune's most closely watched domaines.

The Mainbey lieu-dit sits at 470 meters above the valley adjacent to Fussey, its very stony, limestone-block soils producing chardonnay of natural precision and restraint. This is the élevage prolongé bottling from the 2023 vintage — a portion of the Mainbey chardonnay set aside for 22 months in barrel rather than the standard ten to twelve, releasing more than a year after the core cuvée.

The additional time in oak deepens and layers the wine without altering its fundamental character: 2023 is the vintage Tomoko has described as among her favorites in Burgundy for its lush, seductive fruit. The extended élevage adds a hazelnut richness, plus additional textural weight to the site's characteristic stony minerality and meyer lemon freshness.