I don't know that show but capsule hotels [0] are also a big thing in Japan, more widespread and probably more well-known than the capsule tower 0: https://en.

I don't know that show but capsule hotels [0] are also a big thing in Japan, more widespread and probably more well-known than the capsule tower 0: https://en.wikipedia.org/wiki/Capsule_hotel https://en.wikipedia.org/wiki/Capsule_hotel