Seishun 18 - Allows unlimited rides on local and rapid JR trains throughout Japan 10. November 2015 10:52 / Sreekumar BA / Living in Japan . Travel / Comments (0) Seishun 18 - Allows unlimited rides on local and rapid JR trains throughout Japan [More] c8f631ed-d8f6-418c-aae7-88758a65ea5c|0|.0|27604f05-86ad-47ef-9e05-950bb762570c Tags : Seishun 18