ブラックチェンバーでしょう
burakkuchembādeshō
1. Probably a black chamber.
Noun
#2442796
1. Probably a black chamber.
1. it seems; I think
2. right?; don't you agree?
1. black hole
1. business that exploits its employees (e.g. through unpaid overtime)
1. blackout
1. blacklist
1. black box; flight recorder
2. black box (system or device with hidden internal workings)
1. sword fight; sword play
1. black tie