Korea Climate Companion Card Unlimited rides on Seoul subway and buses Purchased at the end of 2025. Used once, all three cards are in good condition. 1-day pass: 5,000 won 2-day pass: 8,000 won 3-day pass: 10,000 won 5-day pass: 15,000 won 7-day pass: 20,000 won You can charge the card at the station for the number of days you want to use it. You can travel to Korea with peace of mind by purchasing it in Japan.