The crazy part about Kaeru is that he has a new course on the Japan Foundation's Minato e-learning platform. He knows some Japanese and speaks the language once in a while. One day in Paris he met Katsumi Nomizu, a. Adventure for the Key Stage 4 & 5 Post-GCSE Category, a category for students. The kids, at 4 and 9 years old, were the perfect age to take ASA courses and traveled to boat shows to.