The concept design of the “Glass Tea House - KOU-AN” was presented at the Glasstress 2011, the collateral event of the 54th La Biennale di Venezia. In 2015, the teahouse was first unveiled at the stage of Seiryu-den which is in a precinct of Tendai Sect Shoren-in, Kyoto, and was in the limelight worldwide.

In this exhibition, Tokujin showcased the installation of “Glass Tea House - KOU-AN” inside a white exhibition space along with some of his renowned art works such as Water Block (2002), which is permanently displayed at Musée d' Orsay in Paris, and Waterfall (2006).