Knights of Sidonia ~Aya to Ayane no Himitsu no Kougousei~ VOL.02 / ラジオCD「シドニアの騎士～綾と綾音の秘密の光合成～」VOL.02 / Radio CD "Sidonia no Kishi ~Aya to Ayane no Himitsu no Kougousei~" VOL.02

Disc 1: New episode
Disc 2: CD-ROM containing episodes #13~23 in MP3 format

Personality:
Aya Suzaki (Shizuka Hoshijiro)
Ayane Sakura (Mozuku Kunato)

Guest:
Tsutomu Nihei (Sidonia no Kishi Original Author): #14
Takahiro Sakurai (Norio Kunato): #18
Nanako Mori (Eiko Yamano): #20

New Episode Guest:
Sayaka Ohara (Kobayashi)