National Diet Library (18+)

国立国会図書館（18歳以上）

Tokyo, Chiyoda/NagatachoQuiet places

Every book published in Japan; the entry card is issued free at the registration counter (ID needed, 18+), phones on silent mode inside. The deepest quiet available in Tokyo.

Address:

1-10-1 Nagatacho, Chiyoda, Tokyo

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9:30-19:00 (Sat -17:00), closed Sun/hol and 3rd Wed

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Free

Details can change. Before you go, please check the official site for current hours and prices.