Igarashi Hiromi CDs (miscellaneous)
Hiromi appears (sings/talks) in the following miscellaneous CDs.
| 2009.12.23 | Nogizaka Haruka no Himitsu Purezza A LA CARTE 2 (GNCA-1234) | Talk |
| 2010.06.23 | Kaichou ha Maid-sama! Character Concept CD 02 Maid Side (GNCA-1262) | Song/Talk |
| 2013.04.10 | Onegai Cinderella (COCC-16718) | Song |
| 2013.10.09 | THE IDOLM@STER Cinderella Master Cute Jewelries! 001 (COCX-38253) | Song/Talk |
| 2014.12.17 | Ore Twintail ni Narimasu Character Song EX (PCCG-70239) | Talk |
| 2016.04.27 | START (VTCL-35228) | Song |
| 2016.09.15 | Mausu Theater 002 (MAPR-0004) | Talk |
| 2016.12.21 | Brave Witches Ending Theme Complete Collection (COZ-1272) | Song |
| 2017.03.15 | GirlFriend Character Song Series Vol.03 (PCCG-1593) | Song |
| 2018.02.14 | Munya Munya Gecchu Koifubuki (PCCG-1643) | Song |
| 2018.11.23 | Kaijuu Girls Best Songs Character Song Best (BRCG-0064) | Song |