Leandro Erlich is an internationally exhibited Argentine conceptual artist. In 2001 he represented his nation at the Venice Biennial and was included in the main section of the biennial once again in 2005. —— Wikipedia
If you are looking for some current exhibition in Tokyo, this one by Leandro Erlich will be a good choice. Leandro Erlich: Seeing and Believing Exhibition
Have you ever been to The 21st Century Museum of Contemporary Art in Kanazawa? There is a very popular entertainment art piece there called "Swimming Pool". It made with real water and two sheets of transparent glass. (google it for picture :))
This time he brings his own exhibition to Mori Art Museum in Roppongi. You can get different experiences of his artworks. The exhibition also good for taking selfies and get involved with arts.
As an Argentinian contemporary artist, Leandro Erlich's works are unique, special and with fun. This exhibition contains 25 years of his work if you never heard his name. After this exhibition, I promise you will gain some interest in works.