The best way to reach Futaba Station is by the Hitachi Super Express Train from Tokyo Station (fare: ¥7,390, time: 3 hours and 6 minutes). Timetables:
From Tokyo: 07:52 (Futaba at 11:10), 12:53 (Futaba at 15:59) and 15:53 (Futaba at 19:02)
From Futaba: 11:30 (Tokyo at 14:42), 17:29 (Tokyo at 20:48), 19:28 (Ueno at 22:44)
You can also take the Hitachi Super Express Train from Sendai (fare: ¥ 2,710, time: 1 hour 16 minutes). Click here to check the train timetables.
From Futaba Station to the venue, you can either walk (time: ~20 minutes), or take the bus (fare: 200 yen, time: 6 minutes). Click here to check the bus timetables