In Ome, a city in northern Tokyo, the adventures of four different characters of different mentality and cultural background will take place. The only common interest they share is their love for sports and parkour. The heroes are four children that destiny brought together to enable them not only to help each other but also to achieve their personal goals. Tension, competiveness, humour, friendship, intrigues and lots of parkour are the main elements of the world of R.u.N. Are you ready to Remember ur Nature?