Unfortunately, two years of teaching experience is required. That would be the first step to getting on. But no worries, after you get that, you should apply! Everything is pretty clear in the application package about the requirements. So, perhaps you should request one or download one if it is still available from the website.
You will get experience with experiential learning, working closely in a team, creating events, creating programs, developing curriculums, running exchange events and tours, and more depending on where your interests lie and how you contribute to life on the boat mizukara.