In the near future, technology has made a few leaps and bounds, and videophones and constant wireless internet access are available to everyone. However, it would seen that the government has been careless and a skilled hacker was able to break into the national information archive. Using the data held there he creates the Platonic Chain website for people to discover information about themselves and their friends. Words start to spread quickly that there is a site that enables you to look up anything. Coincidentally, three young girls, Hitomi, Rika, and Kanae, are able to access the site. (Source: ANN)

In the near future, technology has made a few leaps and bounds, and videophones and constant wireless internet access are available to everyone. However, it would seen that the government has been careless and a skilled hacker was able to break into the national information archive. Using the data held there he creates the Platonic Chain website for people to discover information about themselves and their friends. Words start to spread quickly that there is a site that enables you to look up anything. Coincidentally, three young girls, Hitomi, Rika, and Kanae, are able to access the site. (Source: AniDB) This is a 15 minutes special to the TV series, Platonic Chain.

A DVD-only story that replaces episode 16 ("Oyaji Camera") of the TV series. There is a system where anyone can submit a picture of a person that annoys them for 100 yen. When a million photos of the same person are collected, a killer is hired for the resulting 100.000.000 yen.