Chiaroscuro

AU Post-Season. It is when his mother reaches out to touch his bandanna and says, "Koichi, what an unusual look," that Koji realizes his brother does not have to be dead. (Or: it is said that, "when digimon enter the human world, they will destroy it utterly" - 4x48. But no one considered that the legendary warriors are, themselves, now part-digimon.)