Since 1988, this brewery has partnered with local organic farmers to use organic rice in its sake production. It is known for its commitment to sustainable brewing that harmonizes with nature and its community-based activities. Seiun offers a variety of high-quality sakes, including Junmai Ginjo and Daiginjo. Brewery tours are also available, providing visitors the opportunity to experience the brewing process.

Located in Ogawa Town, Saitama, this historic brewery is known by its brand name "Teimatsu." It uses natural underground water and carefully selected rice, blending traditional and modern techniques to create its sake. Matsuoka Brewing has won several gold medals at national new sake competitions and offers brewery tours and a direct sales shop, allowing visitors to immerse themselves in its sake-making process.

This restaurant is operated by Matsuoka Brewing and is housed in a brewery building dating back to the Meiji era. Guests can enjoy the brewery's unique dishes while overlooking the seasonal garden. The menu features local ingredients and sake produced on-site, offering a relaxing dining experience in a natural setting.