Originally a Seibu Department Stores branch was planned in Kasukabe, but as Seibu's contract agreement was terminated during the construction, Ito-Yokado capitalize the opportunity to build the first Robinson Japan.
Awalnya cabang Seibu Department Store direncanakan di Kasukabe, namun saat perjanjian kontrak Seibu dihentikan selama masa konstruksi, Ito-Yokado memanfaatkan kesempatan untuk membangun Robinson Japan pertama.