Leo

A boy who is about the same age as Katri and attends freedom institute. Together with Katri, he searched for the lost Klaus and Abel. Among the mischievous boys, he is common sense and understands Katri well, but he also has the drawback of wanting to know everything about Katri. At the end of the day, when he was put on Sofia's car with Katri, he asked Sofia, ''Which country is Katri really the princess of?''. He's not good at arithmetic. He has high physical ability and can perform tricks such as backflips.