Ranma and Akane become shipwrecked on a island and lose there memory of meeting, allowing them to get to know one another without all the past history interfering. A year later they are found and return home, not remembering any of the other fiances or rivals and Akane is pregnant. They have to get to know everyone again and get back into their lives while dealing with pregnancy and eventually their daughter is born. Ukyo and Ryoga have also gotten together and they have twins, the kids grow up together.