The opening thirty seconds alone justify the runtime, this is pure visual storytelling, the kind of frame-by-frame animation work that makes you understand why people fell in love with 90s anime. A brother protecting his sister as reality breaks open around them hits different when you can see every bead of sweat, every desperate muscle movement. Twenty minutes is all it needs because nothing wastes a single second, and rewatching reveals layers the first pass only glimpsed.

A brother and sister find that the digital world is more than data when a living creature emerges from their family computer. That Digital Monster's appearance in the real world is where a band of kids begin their adventures. A fantasy and science fiction film, it opens the story at that strange encounter.