Although there isn't a Korean guide, some staff members can speak a little Korean. It's also rare to get the chance to step onto the field in Korea unless you're a season ticket holder, so this experience is quite appealing for the 17,000 won price point. The EZO BOSS building is across from PayPay Dome, and the DOME TOUR RECEPTION entrance is on the 3rd floor (though it's actually right across from PayPay Dome Exit 4, so you can just go in there and show your voucher; exchanging it isn't difficult). For transportation, if you're taking the subway from Hakata Station or Tenjin Station, take the Airport Line, get off at Tojinmachi, and exit from Tojinmachi Exit 3. It's about a 15-minute walk, but it's not too long, so it's a worthwhile tour. If you like baseball, I highly recommend visiting. Especially since Lee Dae-ho played for SoftBank during the 2014-2015 season, it's definitely worth a visit.