and ST HD Co.,Ltd. plans, produces, and retails clothes and sundry goods in Japan and internationally. The company offers women's, men's, and kid's clothing products; and household products under various brands. It also operates restaurants and stores; and engages in the resale business, such as disposal inventory and sample products, as well as licensing business for casual wear. and ST HD Co.,Ltd. was formerly known as Adastria Co., Ltd. and changed its name to and ST HD Co.,Ltd. in September 2025. The company was incorporated in 1953 and is headquartered in Tokyo, Japan.