Ontsu Co., Ltd. is a company mainly engaged in the retail of food and sundry goods. The Company operates in four business segments. The Food and Sundry Goods Retail segment operates hundred-yen stores, food supermarkets and related franchise chain stores, as well as plans, imports and sells sundry goods. The Karaoke-related segment is engaged in the sale and leasing of karaoke machines and related products, game machines for business use, as well as the operation of game centers. The Sports segment operates sports clubs and hot yoga studios. The Internet Protocol (IP) segment is engaged in the leasing of real estate and store equipment, as well as the coin parking business.