A Strong Rival Appears, Kiriha!

Japanese Name: 
強敵キリハ、現る! (Kyōteki Kiriha, Arawaru!)

Taiki has become friends with Shoutmon and the other Digimon. Upon learning that Taiki can use the X Loader to fuse Digimon, the Bagura army immediately goes to wipe out Taiki. While this is going on, another boy who can use the X Loader - Kiriha - appears before them. Kiriha suggests that Taiki become his right-hand man, but...

Source: With the Will Forum Topic