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Masaru Katsuji, a boy in Tagiru's class, seems to be down lately since his family's Ramen restaurant has been getting less customers since the opening of a nearby popular Ramen restaurant opposite them. Tagiru says he will help "Katsuji" to reclaim its popularity, and he and Yū challenge each other to come up with a solution . Later that night, while trying to find a way to improve his ramen, Mr Katsuji gets sucked absorbed into DigiQuartz by the Digimon duo of Ogremon and Fugamon. Though they own a Ramen Restaurant of their own in DigiQuartz with their special hand-pounded noodles, the two oni Digimon offer to give some to Katsuji in return for his delicious soup so both restaurants can flourish . Feeling something is off when the sudden number of customers at Katsuji, Xros Heart learns of Katsuji's deal with Ogremon and Fugamon.