Ohkubo Rumi CDs (miscellaneous)
Rumi appears (sings/talks) in the following miscellaneous CDs.
| 2011.10.19 | Yuri Yura Rarara Yuru Yuri Housoushitsu Gakkouhen (OBC-111001) | Talk |
| 2011.10.19 | Yuri Yura Rarara Yuru Yuri Housoushitsu Umimbehen (OBC-111002) | Talk |
| 2011.12.21 | Yuru Yuri bluray vol.4 Special Sound CD (PCXG-50124) | Talk |
| 2012.01.18 | Yuru Yuri bluray vol.5 Special Sound CD (PCXG-50125) | Song |
| 2012.02.15 | Yuru Yuri bluray vol.6 Special Sound CD (PCXG-50126) | Song |
| 2013.04.17 | Twinkle Voice -Koe no Okurimono (UMCA-10015) | Song |
| 2014.10.01 | Momokyun Sword Vocal Album (VTCL-60380) | Song |
| 2017.03.24 | Yuyushiki OVA Character Song Album (GNCA-1493) | Song |
| 2021.07.21 | Yuru Yuri Gorakubu Best Album Special Edition (PCCG-2027) | Song |
| 2021.07.21 | Yuru Yuri Gorakubu Best Album Special Edition Canime Genteiban (SCCG-0076) | Song |