The manga adaptation of the famous Capcom game Rockman ZX (Known as Megaman ZX outside Japan)

This manga takes place in the 26th century, when Human and Reploids have finally reached an era of peace and harmony, and beings that is a combination of both races, the Humanoids, have already been formed. However, there are still those who oppose this peace, and such beings are branded with the common name "Irregulars"

The story revolves around Vent, a boy who was orphaned in an attack of the "Irregulars" 10 years ago.