Day passes, regional passes and special tickets that include Kumamoto Electric Railway, cheapest first. Prices and rules change: check the official page before you buy.
¥14,000 Paper ticket (3 day-uses) · ¥13,000 my route digital version (3 day-uses)
Three one-day uses (one person 3 times, or up to 3 people on the same trip). Paper: within 3 months of purchase. my route: start within 7 days of purchase, use within 90 days; each day-use is valid until 2:00 the next morning.