山口 弘一
KOICHI YAMAGUCHI
He spent two years polishing a cup that would encourage him to take the next step without disturbing the afterglow of the sauna, while checking it with his own body. We set up a tent sauna in the garden and verified it every morning, facing the loss of water, salt, and vitamins head-on, and thoroughly implementing a "one-drink design" that does not rely on sweetness. In 2022, "Totonata" was released, and Makuake achieved 633%. The goal is to support the health of the world through beverages and increase the number of "lives that can be said to be good". Adoption has spread to hot bath facilities nationwide, with 30,000 bottles shipped per month and more than 400 stores. Products are points, culture is lines—as a "non-disturbing partner" that connects saunas and daily life, we continue to try and improve them in the field today.