I serched about capsuleinn Akihabara by internet.
you can stay 7days, but you have to leave the room 10:00AM everyday.
You can leave the baggage with a rocker.
It's cleaning time in the building at five p.m. from ten a.m., and it isn't possible to be in inside of the building.
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Capsule Inn Akihabara | hotel rooms in Tokyo Japan | unique accommodations