Anime in the Ninja genre is a world of secret martial arts, where the skill, strength, and intelligence of ninjas have a decisive influence on the outcome of battles. Traditionally, ninjas are associated with Japan, where they served as scouts and agents during wars and political conflicts, but today this theme has become popular in other countries around the world. Here, viewers will see various martial arts such as karate, kung fu, Muay Thai, kickboxing, and others.