Along with the other Starish and Quartet Night seiyuu, Kiiyan will appear on the UtaPri radio box set:  Suzumura & Shimono no Uta Puri Hosokyoku MEMORIAL BOX. His tracks will be on the fourth CD.

Although this is a CD set, the tracks are MP3 format.

Details

Product:  Suzumura & Shimono no Uta Puri Hosokyoku MEMORIAL BOX
Format:  4 CD-ROMs
Release Date:  9/28/2018
Price:  5,400 yen (tax included)