Katsuma NONAKA

Katsuma Nonaka is a young man who lives in a world where the sea is polluted and the air is toxic. He dreams of one day becoming a pilot of the Blue Submarine No. 6, a submarine that is designed to clean up the ocean. One day, Katsuma is chosen to be the pilot of the Blue Submarine No. 6. He is excited to finally be able to make a difference in the world, but he is also nervous about the challenges that lie ahead. Katsuma and the crew of the Blue Submarine No. 6 face many dangers as they travel the ocean. They must battle pollution, pirates, and even sea monsters. But through it all, Katsuma never gives up on his dream of cleaning up the ocean. In the end, Katsuma and the crew of the Blue Submarine No. 6 succeed in their mission. They clean up the ocean and make the world a better place. Katsuma is a true hero, and his story is an inspiration to us all.