One day, Ritsu Kodo, a country boy, is sent into the world of the game he is playing, the Digital World! There, he meets the Digimon Pulsemon he created in the game!! Ritsu was baffled by the sudden turn of events, but when he learned that his partner Pulsemon had summoned him as his Tamer to break the 'cannot evolve' curse, he promised cooperation in evolution...!!