Joseph isn't particularly happy, although he hides it rather well. The day his brother dies, the certainty sets in that life will pass him by. To ensure this doesn't happen, one evening, he gives in to his desire.
从人类的思想和感情诞生的「e-脉冲」，被作为AI辅助装置「辅助蛋」的能量源被运用。 在社会获得显著发展的背后，恐怖的怪物出现了。 吞食e-脉冲进化的生命体「数码兽」。
