3 specials released with the BD/DVDs.
The Science Club's leader, Suzu, is a senior member of the club. When she encounters the unusual Kaizou, she chooses to humor his notion that he has been transformed into a cyborg....
For many years now, Umi and Kaizou have shared a close bond. Despite this, it's been Umi who has contributed to the unusual nature of Kaizou's actions. Although she feels remorse for her role in the s...
Kaizou is a 17-year-old high school student who was once considered a genius, but after being kicked off the jungle gym at the playground by his friend Umi, he became an eccentric young man with a bel...