Mode Gakuen Cocoon Tower is a 204-metre (669 ft), 50-story educational facility located in the Nishi-Shinjuku district in Shinjuku, Tokyo, Japan. Completed in October 2008, the tower is the second-tallest educational building in the world and is the 17th-tallest building in Tokyo. It was awarded the 2008 Skyscraper of the Year by Emporis.com.
The building's cocoon shape symbolizes a building that nurtures the students inside. White aluminum and dark blue glass exterior form the structure's curved shell, which is criss-crossed by a web of white diagonal lines earning it the name "Cocoon Tower".
Architect : Tange Associates