| Hikasa Youko日笠 陽子 | |
| Language | Japanese |
| Links | Official website Wikipedia (en) Wikipedia (ja) Wikidata Xitter AniDB MusicBrainz VGMdb Discogs |
| Title | Released | Role | As | Note |
| L@VE ONCE | 2010-09-30 | Vocals | Hikasa Youko | PS3 ED "Last Be Love" (as L@VE Girls) |
| Rou-Kyuu-Bu! | 2011-10-27 | Vocals | Hikasa Youko | OP "Gingira☆Yell" (as RO-KYU-BU!) |
| Ima Sugu Onii-chan ni Imouto da tte Iitai! | 2012-12-14 | Vocals | Hikasa Youko | Kimika ED "Kimi to Zutto" |
| Rou-Kyuu-Bu! Himitsu no Otoshimono | 2013-06-20 | Vocals | Hikasa Youko | OP "21 Seiki 'Bi' Shoujo" (as RO-KYU-BU!) |
| IS<Infinite Stratos>2 Ignition Hearts | 2014-02-27 | Vocals | Hikasa Youko | ED "Grow Up Shining!!" |
| Rou-Kyuu-Bu! Naisho no Shutter Chance | 2014-03-27 | Vocals | Hikasa Youko | OP "Kido Kido", ED "Rolling! Rolling!" (as RO-KYU-BU!) |
| Hyakka Yakou | 2015-02-12 | Vocals | Hikasa Youko | OP "Kaze to Chiri, Sora ni Mai" |
| IS<Infinite Stratos>2 Love and Purge | 2015-09-03 | Vocals | Hikasa Youko | ED "Sleeping Lover" |