Yumiko started the company “PLUSLIGION” in 2008, to support people with disabilities. She has assisted more than 100 farmers as an advisor appointed by Ministry of Agriculture, Forests and Fisheries of Japan. In 2013, PLUSLIGION received Universal Social Award by the governor of Hyogo prefecture.

She is supporting and promoting Organic Agriculture by serving as an organic inspector, also a committee member of Creative Design City Kobe and Council for Agriculture, Forestry and Fisheries Policy of Hyogo prefecture. She lobbied Hyogo prefecture to include the promotion of Organic Agriculture in its 2030 vision and SDGs action.