Grisaia no Bangumi ~Sekai ni Hamukau, Hitotsu no Radio~ vol.1 / ラジオCD「グリザイアの番組～世界に刃向かう、1つのラジオ～」vol.1 / Grisaia no Bangumi ~Sekai ni Hamukau, Hitotsu no Radio~ vol.1

Disc 1: New episode
Disc 2: CD-ROM containing episodes #01~09 in MP3 format

Personality:
Ryoko Tanaka (Yumiko Sakaki)
Tomoe Tamiyasu (Makina Irisu)

Guest:
Maon Kurosaki (Opening Theme Singer): #03
Yoshino Nanjo (Ending Theme Singer): #06

New Episode Guest:
Ai Shimizu (Sachi Komine)