Hiro Amanokawa, a first-year junior high student, activates a puzzling device left behind by his father: a Digivice. Now, he can see unidentified creatures that normal people cannot... Digimon.

Ever since the day he met Ganmamon, the boisterous Digimon his father left him, unexplainable phenomena seem to follow Hiro wherever he goes.

A man with a sewn mouth who steals time from human beings and a mummy who roams the streets at night, kidnapping whomever they please...

The Hologram Ghost is coming for us from right under our nose.

The following is a story from the underbelly of a world no one knows. With Ganmamon and his friends at his side, Hiro takes his first step into the wondrous world of Digimon.