Konami Computer Entertainment Yokohama (コナミコンピュータエンタテインメント横浜, KCEY) was a development studio based in Yokohama, Kanagawa, Japan. It was established by Konami in March 1997 at the same time as studios in Sapporo and Nagoya. It was best known for developing the first several titles in the pop'n music franchise. In August 2000, it was merged with the Sapporo studio, becoming part of KCE Studios.
Kotensoft