Natural Roots Studio (Repubrew) will hold Factory Open Day Vol. 4 on Saturday, May 23. The venue is the brewery's base in Mishima City, Shizuoka Prefecture, and an announcement has been posted on Instagram.

Natural Roots Studio, part of Repubrew, is a brand known for releasing distinctive beers within the company's lineup. The official site features a broad range of products, including THE HARD TEA, HOP GIN, sour styles, and IPAs, showing that its offerings extend beyond craft beer alone. Built around brewing expertise, the brand stands out for expanding the ways people can enjoy drinks.

This Factory Open Day is the fourth in the series, which suggests it is not a one-off event but something that has been held continuously. Repubrew's archive also confirms that at past factory open days, visitors took part in brewing and experienced rubbing whole hops by hand. With that background, Natural Roots Studio's Factory Open Day looks like a chance not only to drink the finished beer, but also to experience the place where beer is born.

What makes open-factory-style events appealing is that they convey not only the taste of the beer, but also the makers' ideas and the atmosphere of brewing itself. For anyone interested in the Mishima brewery, as well as those who want to learn more about the background of craft beer, this looks like a day worth watching.