The Nihon BE Research Establishment (日本ＢＥ研究所) was a place for people to work on enhancing their brain power. They were sharing various activities, practicing sports, singing karaoke… and it seems that one of the step was to be locked up in a room with metallic walls, in a complete darkness for 24 hours !
This research establishment has moved and still exist as of today. You can read an article about the director of the Nihon BE.
- Nippon No Haikyo #89