Upon meeting for the first time, undefeated street fighter Daimon, Masaru and renegade Digimon Agumon become friends in the most natural way possible for the knuckleheaded duo—by fighting their hearts out. The self-proclaimed "ultimate team" are recruited by a secret government organization called the Digimon Data Squad, or DATS, who had witnessed an unbelievable human fighting blow for blow with a Digimon. Their primary objective is investigating mysterious problems caused by Digimon entering the real world, and the world is currently in the midst of a crisis with Digimon appearing at an unprecedented rate. Embarking on various missions with DATS, Daimon and Agumon become colleagues with adolescent genius Touma Norstein and his Digimon partner Gaoman, along with the kind-hearted Yoshino "Yoshi" Fujeda and her Digimon partner Lalamon. As the group continues to investigate the rapid increase of Digimon in their world, a darker truth begins to surface, and it is up to Daimon, Agumon, and their friends to get to the bottom of things. Fifth Season of Digimon Adventure. Masaru, is a second year Junior High student, and is undefeated in battle, He meets the Digital Monster Agumon, who has escaped from DATS, a secret government organization. Despite terrible first impressions, the two become best friends by talking with their fists. With others, Masaru and Agumon work to investigate various incidents involving the Digital World and Digital Monsters, to try and get to the bottom of things.