Shounen Santa no Daibouken

A young boy named Niko is born with a magical ability to hear the laughter of children. He is taken in by a guardian spirit named Akta, who raises him in a hidden valley and teaches him about the magic of joy and kindness. As he grows, Niko learns the history of the ancient Claus family and their connection to spreading happiness. Eventually, he must take on the role of Santa Claus and face a powerful enemy threatening to steal the joy of children around the world. With the help of his reindeer and new friends, Niko embarks on a journey to protect the spirit of Christmas and ensure that children everywhere can experience the magic of the season.