youthful crowd; crowd of young people coming into their own
Seishun 18 ticket; seasonally available railway ticket for 5 days of unlimited travel on non-Shinkansen JR trains
Seishun 18 ticket; seasonally available railway ticket for 5 days of unlimited travel on non-Shinkansen JR trains
Seishun 18 ticket; seasonally available railway ticket for 5 days of unlimited travel on non-Shinkansen JR trains
Seishun 18 ticket; seasonally available railway ticket for 5 days of unlimited travel on non-Shinkansen JR trains