PLENUS Co., Ltd. engages in sale of foodstuffs in Japan and internationally. It operates through four segments: Hotto Motto Business, YAYOI Business, MK RESTAURANTS Business, and Overseas Business. The Hotto Motto Business segment sells take-out bento boxes, ingredients, packaging materials, office equipment, etc. The YAYOI Business segment offers set meals. The MK RESTAURANTS Business segment offers shabu-shabu, a thinly sliced meat boiled with vegetables; and authentic dim sum, etc. PLENUS Co., Ltd. also engages in the sale of packaging materials; development, sale, and maintenance of IT systems for the food-service industry; research, development, production, and sale of various seasonings and processed foods; and processing and sale of marine products. It operated 2,870 shops, including 967 directly managed shops and 1,903 franchised shops. The company was formerly known as Taiyo Co., Ltd. and changed its name to PLENUS Co., Ltd. in December 1990. PLENUS Co., Ltd. was incorporated in 1960 and is headquartered in Fukuoka City, Japan.