A boy without memories travels through the universe, searching for his past and the person whose photo lies within a locket around his neck.
(in order of appearance)
- See: Characters
- See: Episodes
The soundtrack was composed by Yoshida Kiyoshi.
- See: Staff
Kaiba was awarded a Prize for Excellence in Animation in the 2008 Japan Media Arts Festival Awards.
- Episode length: approximately 24 minutes per episode.