Synopsis

The Xros Heart boys join the school's kendo club for the regional tournament. Following a victory, they discover themselves under the watchful eye of Musashi Kenzaki, a student from a rival institution. Soon after, Musashi finds himself within the DigiQuartz and is taken as a pupil by Kotemon. Subsequently, a shadowy figure begins challenging members of established kendo clubs across the city, defeating them with brutal efficiency, tearing their uniforms to shreds. Tagiru and the others suspect