Babel of the Grieved Maze

Steins;Gate Drama CD α 『Aishin Meizu no Babel』 Divergence 0.571046% (STEINS;GATEドラマCD α『哀心迷図のバベル』ダイバージェンス０．５７１０４６％) is an audio drama first released on March 31, 2010. The drama has since been adapted into a four volume manga series and a light novel. The drama tells Kurisu Makise's story just before the worldline switches from the alpha to the beta attractor field.

Plot
Taking place in chapter ten of the VN, anime episodes 21-22, in the alpha world line divergence 0.571046%, the drama CD follows Kurisu's perspective as she comes to grips with Okabe's revelation that in order to save Mayuri, Kurisu would have to die. Kurisu meets Faris for the first time and the surprising relationship between her father and Faris's late father as friends and research partners comes to light, spurring Kurisu on to discover what they were researching.

Kurisu learns of her father and Faris's father researching time machines in the past with a Professor Hashida and accepts that changing the world lines means the end for her. However, thanks to Faris discovering a cassette tape recording made by Kurisu's father, Kurisu changes to a more positive perspective after learning the surprising truth of her father's feelings of regret for his rejection of her and decides to run back to the lab to tell Okabe her feelings to take with him just before the last D-Mail is undone.

Main Characters

 * Kurisu Makise
 * Faris NyanNyan

Supporting Characters

 * Rintaro Okabe
 * Mayuri Shiina
 * Dr. Nakabachi
 * Yukitaka Akiha
 * Dr. Suzu Hashida

Manga adaptation
Steins;Gate: Aishin Meizu no Babel (STEINS;GATE 哀心迷図のバベル), also known as STEINS;GATE -Tower of Babel-, is a manga adaptation illustrated by Shinichirou Nariie, who would later also adapt Mugen Enten no Arc-Light. It expands on the story line presented in the audio drama in various ways, such as depicting Kurisu's endeavours on August 16th, following Okabe after the final D-Mail's undoing, Kurisu's perspective on September 21st as she searches for Okabe in Akihabara, and reuinting with Faris and the other lab members.

The manga has been published in both paperback and ebook form.