Here's a little something about an exhibit that is in progress at the Contemporary Art Museum in Kumamoto.
https://hypebeast.com/2018/12/takashi-murakami-bubblewrap-contemporary-art-museum-kumamoto-exhibition
After you see the exhibit, if you're in a mood for more bubbles, you may wish to consider the bubble tea that Oliva introduced last month:
https://www.facebook.com/Kumamotoi/posts/2302660859807333
The two venues are very close to each other.
-- Kirk
Takashi Murakami Explores Traditional Japanese Art Movements in "Bubblewrap" Show
Practices that spurred his 'Superflat' practice.