Hikasa Youko (Akiama Mio) - Seishun Vibration
03:37
Hikasa Youko - Aozora no Monologue
04:29
Hikasa Youko - Seishun Vibration (K-ON!! Character Image Songs - Akiyama Mio)
03:37
Akiyama Mio (CV: Hikasa Youko) - Heart Goes Boom!!
03:35
Akiyama Mio (Hikasa Youko) - Heart Goes Boom!! (Instrumental)
03:36
[Rio Rainbow Gate] TV OP01, Special - Sekai to Issho ni Mawarou yo! (Takahashi Chiaki, Hikasa Youko, Taketatsu Ayana, Inoue Marina)
04:09
Hikasa Youko - Afure Hajimeru Himeta Netsujou (Seiei) (Симфогир : Песнь боевых Принцесс OST)
00:13
Hikasa Youko, Horie Yui - Apple (Симфогир : Песнь боевых Принцесс OST)
01:31
Maria Cadenzavna Eve (CV: Hikasa Youko) - Stand up! Ready!!
04:18
Maria Cadenzavna Eve (CV: Hikasa Youko) - Shirogane no Honō -keep the faith-
04:34
Maria Cadenzavna Eve (CV: Hikasa Youko) - Stand up! Lady!!
04:16
Maria Cadenzavna Eve (CV: Hikasa Youko) - Shirogane no Honō -keep the faith- (off vocal)
04:34
Maria Cadenzavna Eve (CV: Hikasa Youko) - Ressou-Gungnir (Off Vocal)
05:10
[IS Infinite Stratos] TV-2 ED01, OVA - BEAUTIFUL SKY (Hanazawa Kana, Shimoda Asami, Yukana, Hikasa Youko, Inoue Marina)
04:00
Hidaka Rina & Hikasa Youko - コ カ ツ
04:45
Аниме - Чу-бра! - (Chihara Minori, Kotobuki Minako, Yahagi Sayuri, Hikasa Youko - We know)
05:03
[MURO] Hikasa Youko & Hosoya Yoshimasa - Taiyou to Tsuki (OST Inu Boku SS 妖狐 僕SS Пёс и я: Секретная служба Лис из секретной службы и я)
04:32
Hosoya Yoshimasa & Hikasa Youko - Taiyou to Tsuki (Лис и я из секретной службы ТВ-1 Inu x Boku SS TV-1 ED 2)
04:32
Аниме - Я и мой слуга из секретной службы - (Hikasa Youko & Hosoya Yoshimasa - Taiyou to Tsuki)
04:32
Yukana, Hikasa Youko - SUPER STREAM
03:49
Hikasa Youko & Yukana - SUPER STREAM ( 2, 3 ver.)
01:29
Hikasa Youko & Yukana - SUPER STREAM ( 2,3 ver.)
01:33
Hikasa Youko & Yukana & Shimoda Asami - SUPER STREAM ( 4, 5 ver.)
01:29
Hikasa Youko & Yukana & Shimoda Asami - SUPER STREAM ( 4.5 ver.)
01:33
Hikasa Youko & Mizuki Nana - Seiten Galaxy Cross
04:38
Maria Cadenzavna Eve (CV: Hikasa Youko) - Ginwan Airgetlam (IGNITED arrangement) (off vocal)
04:28
Maria Cadenzavna Eve (CV: Hikasa Youko) - Dark Oblivion (off vocal)
03:36
Hikasa Youko & Asumi Kana - Brioche & Yukikaze to Nonbiri Shiyou
06:41
Hikasa Youko & Asumi Kana - Brioche & Yukikaze to Nonbiri Shiyou ( Dog Days OST )
06:41
03:23
Hikasa Youko - TRINITY x SEVENTH HEAVEN (Mira Solo)
04:01
Hikasa Youko & Yuzuki Ryouka - TRINITY x SEVENTH HEAVEN [Trinity Seven ED3]
04:02
Hikasa Youko - Crayon [CD Full Version] - insert song
04:17
Hikasa Youko - Tsuki Akari
04:02
Hikasa Youko & Hosoya Yoshimasa - Taiyou to Tsuki (OST Inu x Boku SS)
04:32
Hikasa Youko & Hosoya Yoshimasa - Taiyou to Tsuki [Inu x Boku SS]
04:32
Hikasa Youko & Hosoya Yoshimasa - Taiyou to Tsuki (off vocal)
04:32
Hikasa Youko - Crimson no Binetsu ( High School DxD - Character Album - GirlsxSongs! )
04:26
Hikasa Youko - Mirai katachi POWER
04:51