Ryuunosuke Natsume is the son of genius inventor Kyusaku Natsume and overbearing Akiko Natsume, CEO of Mishima Heavy Industries. Using funds from his wife's company and the brain from his son's beloved cat, Kyusaku creates a revolutionary android called Atsuko "Nuku Nuku" Natsume. To Kyusaku's disgust, Akiko wants to use her husband's technology to create weaponized robots for her company's customers, resulting in Ryuunosuke getting caught within the explosive fights between his parents The android Nuku Nuku tries to live as a normal high school student, adopting the role of Ryuunosuke's elder sister, but usually ends up acting as her family's protector. Nuku Nuku will do anything to protect the ones she loves.

Meifon (and Taffei) talk about the space ships and equipment the Angel Links organization uses to carry out its mission.

At Ashford Academy, the girls get into juicy talks in the bath, and later plan a gender role reversal festival, which has everyone but Lelouch Lamperouge eager. The students also attend the grand opening of the Clovis Land pool, much to the scantily clad Cornelia li Britannia's embarrassment. Events from Lelouch's past show a chapter from his royal upbringing, and how he met Suzaku Kururugi. Code Geass: Hangyaku no Lelouch Picture Drama shows that when they are away from the bloodshed and agony of war, the characters live very different and often humorous lives.

Sendo Kazuki, failed the entrance exam for the art college he was applying to, His childhood friend, Kuhonbutsu Taishi forced Kazuki to enter the doujin (private publishing) world.