Digimon Adventure V-Tamer 01 - C'mon Digimon

C'mon Digimon is a one-shot manga, made in summer 1997, involving battles between more-or-less holographic Digimon. It was planned, but apparently never got off the ground. However, this manga was published as a special in volume two of V-Tamer, and there it was revealed the hero of this manga, Kentarou, was the source and inspiration for the design and character of Taichi, the hero of V-Tamer and the leader of the Chosen Children in Digimon Adventure.