JTC, Inc. engages in the tax-free retail of food, cosmetics, and daily necessities. Its store brands include JTC, Rakuichi, Seikatsu Hiroba, KOO SKIN, AKA JEWELRY, YOSHIYOSHI Drugstore, and DOTON PLAZA. The company was founded by Chulmo Ku in May 1993 and is headquartered in Shinjuku-ku, Japan.