is a Japanese manga series written by Tatsuya Hamazaki and illustrated by Takeshi Okano. It is the second Digimon manga and was serialized in Shueisha's V Jump magazine from 2006 to 2008. The main character is Tsurugi Tatsuno and is partnered with a Greymon (later Agumon). Tsurugi makes contact with the Digital World through his Digimon Mini virtual pet device and a "Battle Terminal", a virtual reality interface. Digimon can use the technology to materialize in the human world as well. Plot Tsurugi Tatsuno is a boy who competes in Virtual Digimon Battle tournaments. When a Kuwagamon appeared in the Real World, his Greymon came to life and protected him. Tsurugi is summoned to the Digital World by Piximon to save the Digital World from the evil Barbamon. Since his Digimon has a hexagon shape on him, it's an Illegal Digimon, meaning that Digimon bearing such symbols can help save the Digital World. Tsurugi's Greymon later De-Digivolves to Agumon and they meet other characters destined to save the Digital World from the forces of Barbamon. Now they must stop Barbamon and his minions before they get all the DigiMemories and take over both worlds. Characters Main characters Tsurugi Tatsuno and Agumon Tsurugi Tatsuno was originally partnered with a Greymon. However, in a battle against Peckmon, Piximon De-Digivolved Greymon to Agumon. Agumon later gains the ability to Digivolve into GeoGreymon. Later, when Tsurugi and GeoGreymon were fighting Shou and Yatagaramon, GeoGreymon gained the ability to digivolve into RiseGreymon. Now, in the System World, after Tsuguri receives the Digivice Twin R, RiseGreymon has digivolved into VictoryGreymon. After defeating NEO, he is turned to stone and reborn as a Digi-Egg. Yuu Inui and Gaomon Gaomon is the Digimon partner of Yuu Inui. Tsurugi Tatsuno and Agumon first encounter them when Gaomon steals from them. After the defeat of a Tankdramon, they joined Tsurugi in his adventures to stop Barbamon. Gaogamon later was able to Digivolve to his ultimate form, MachGaogamon. Now, in the System World, after Yuu receives the Digivice Twin L, MachGaogamon has Digivolved into Z'dGarurumon. After defeating NEO, he is turned to stone and reborn as a Digi-Egg. Ami Kitajima and Pichimon Pichimon is the Digimon partner of Ami Kitajima, a friend of Tsurugi who hates battling. Their purpose in the storyline is unknown at this time. In Chapter 11 however, it is revealed that Pichimon carries the DigiMemory of Water