Yoko Hikasa - Utsukushiki Zankoku na Seka
Yoko Hikasa - Don`t Say Lazy (K-ON OST)
Maria Cadenzavna Eve (CV: Yoko Hikasa) - Dark Oblivion(Live)
Yoko Hikasa - Utsukushiki Zankoku na Sekai (OST Shingeki no Kyojin)
Yoko Hikasa - Dance in the Fake
Hikasa Yoko - Utsukushiki Zankokuna Sekai (美しき残酷な世界)
Maria Cadenzavna Eve (CV: Yoko Hikasa) - Ressou Gangnir ~Off Vocal~ (Senki Zesshou Symphogear G OST)
Maria Cadenzavna Eve (CV: Yoko Hikasa) - Dark Oblivion ~Off Vocal~ (Senki Zesshou Symphogear G OST)
Yoko Hikasa - Utsukushiki Zankoku na Sekai( Shingeki no Kyojin 1ED TV Size version)
Fujimura Ayumi, Aya Hirano, Yoko Hikasa - Passionate Squall (Seikon no Qwaser ED 1)
Yoko Hikasa - Ex Futurize (Z/X: Ignition)
Maria Cadenzavna Eve (CV: Yoko Hikasa) (G) - Burst Spear Gungnir
Akiyama Mio (Hikasa Yoko) - Come with Me!! (K-ON!! OST)
Akiyama Mio (Hikasa Yoko) - Seishun Vibration Vocal OFF (K-ON!! OST)
Akiyama Mio (Hikasa Yoko) - Soukuu no Monologue (K-ON!! OST)
Akiyama Mio (Hikasa Yoko) - Seishun Vibration (K-ON!! OST)
Hikasa Yoko (Akiyama Mio, K-On! Character Song) - Heart Goes Boom!!
Hikasa Yoko - Utsukushiki Zankoku na Sekai
Akiyama Mio (Hikasa Yoko) - Soukuu no Monologue Vocal OFF (K-ON!! OST)
Hikasa Yoko - Hello Little Girl
Hikasa Yoko - Utsukushiki Zankoku na Sekai (Attack on Titan ED 1)
Hikasa Yoko - Utsukushiki Zankoku na Sekai (рус)
Kayano Ai, Hikasa Yoko, Tamura Yukari - Oracion
Hikasa Yoko - Utsukushiki Zankokuna Sekai (TV SIZE)
Maria Cadenzavna Eve (CV: Yoko Hikasa) - Ressou Gangnir (Senki Zesshou Symphogear G OST)
Maria Cadenzavna Eve (CV: Yoko Hikasa) - Dark Oblivion (Senki Zesshou Symphogear G OST)
Maria Cadenzavna Eve (CV: Yoko Hikasa) - Dark Oblivion
Yoko Hikasa - Don't say "lazy"
Yoko Hikasa - Don't say lazy [K-ON ED]
Aki Toyosaki, Yoko Hikasa - Listen!!
Yoko Hikasa - No, thank you! [K-ON! ED2]
Yoko Hikasa, Shizuka Itou, Azumi Asakura, Ayana Taketatsu - STUDYxSTUDY (GxS Version)
Yoko Hikasa - Utsukushiki Zankoku na Sekai [Shingeki no Kyojin ending]
Yoko Hikasa - Taiyou to Tsuki (Лис и я: секретная служба 6 ED)
K-On ( Yoko Hikasa ) - No, Thank You! (минус)
K-On ( Yoko Hikasa ) - Fuwa Fuwa Time (минус)
K-On ( Yoko Hikasa ) - Pure Pure Heart (минус)
Yoko Hikasa, Satomi Sato and Sayuri Yahagi - Yamato Nadeshiko Education (Seitokai Yakuindomo)
Yoko Hikasa - Tsubasa o Kudasai
K-On ( Yoko Hikasa ) - Tsubasa wo Kudasai (минус)
Yoshimasa Hosoya, Yoko Hikasa ED4 Нацуме - one way [SS]
Yoko Hikasa, Nana Mizuki - Fushichou no Flamme
Ayumi Fujimura, Aya Hirano, Yoko Hikasa - Passionate squall (element-mix)(OST:Seikon no Qwaser)
Houkago Tea Time (Yoko Hikasa) - Fuwa Fuwa Time (Mio version)
Yoko Hikasa - Ex Futurize (Z\X: op)
Yoko Hikasa - Bungaku shoujo Long ver.
Yoko Hikasa - Utsukushiki Zankoku na Sekai (cov.)
Maria Cadenzavna Eve (CV: Yoko Hikasa) - Ressou Gangnir (Off Vocal)
Houkago Tea Time (Yoko Hikasa) - Heart Goes Boom!!
Yoko Hikasa - Utsukushiki Zankoku na Sekai「Shingeki no Kyojin」
Yoko Hikasa - Utsukushiki Zankoku na Seka (Attack on Titan ED1)
Yoko Hikasa - Utsukushiki Zankoku na Sekai (Piano)
Yoko Hikasa - 烈槍・ガングニール (off mini-vocal)
Yoko Hikasa & Yukari Tamura - Bias Hacker (No Game No Life OST)[http://vk.com/anime_collection]
Maria Cadenzavna Eve (CV: Yoko Hikasa) - Junpaku Innocent
Maria Cadenzavna Eve (CV: Yoko Hikasa) (GX) - Silver Arm - Airgetlam
Shino (CV: Yoko Hikasa) Seitokai Yakuindomo - Idol no Susume
Yoko Hikasa - Utsukushiki Zankoku na Sekai (OST Shingeki No Kyojin ED1)
Yoko Hikasa - Utsukushiki Zankoku na Sekai (Kawaii edit by US_2)
Yoko Hikasa (Shingeki no Kyojin / Attack On Titan) - Utsukushiki Zankoku na Sekai (ED 1)
OST Shingeki no Kyojin - Yoko Hikasa - Utsukushiki Zankoku na Sekai (ED1)
Yoko Hikasa (K-ON!) - Don't Say "Lazy"
Yoko Hikasa - ED1 Shingeki no Kyojin - Utsukushiki Zankoku na Sekai
Yoko Hikasa HTT (K-On!) - Listen!
Yoko Hikasa - Don't say "lazy" (K-On! ED 1)
Симфогир Yoko Hikasa - Taiyou to Tsuki
Yoko Hikasa - Dance in the Fake [Rokka no Yuusha ED2]
Yoko Hikasa - Utsukushiki Zankoku na Sekai (Instrumental)
Yoko Hikasa - Don't Say You Lazy
Yoko Hikasa - Utsukushiki Zankoku (Attack on Titan ED 1)
Yoko Hikasa - Utsukushiki Zankoku na Sekai(Attack on Titan ED 1)
Fujimura Ayumi, Aya Hirano, Yoko Hikasa - Passionate Squall [Seikon no Qwaser ED1]
Yoko Hikasa - ReSTART THE WOLD
Yoko Hikasa and EGOIST - Attack on Titan ED with Psycho-Pass ED (mashup/remix)
Haruka Tomatsu, Yoko Hikasa, Sora Amamiya - Eyecatch! Too much! (WWW.Working!! OP)
Yoko Hikasa & Aki Toyosaki - Fude Pen Boru Pen
Hikasa Yoko - Utsukushiki Zankoku na Sekai. ~TV size~(Shingeki no Kyojin. ED)
Akiyama Mio (Hikasa Yoko) - Come with Me!! Vocal OFF (K-ON!! OST)
Hikasa Yoko - Utsukushiki Zankoku na Sekai (Instrumental)
K-On!! - Hikasa Yoko - No, Thank You!
[Shingeki no Kyojin ED] Hikasa Yoko - Utsukushiki Zankoku na Sekai
Toyosaki Aki & Hikasa Yoko & Satou Satomi & Kotobuki Minako - Fuwafuwa Time
Hikasa Yoko - Fuwa Fuwa Time (Instrumental)
Hikasa Yoko - Starting line (Instrumental)
[K-ON! ED] Hikasa Yoko - Dont Say "Lazy"
Toyosaki Aki, Hikasa Yoko, Sato Satomi, Kotobuki Minako - Cagayake! GIRLS
Hikasa Yoko - This beautiful cruel world (Shingeki no Kyojin. ED)
Toyosaki Aki, Hikasa Yoko, Satou Satomi, Kotobuki Minako - Don`t Say ``Lazy``
Toyosaki Aki, Hikasa Yoko, Sato Satomi, Kotobuki Minako - Fuwa Fuwa Time (Instrumental - Drums)
Hikasa Yoko - Utsukushiki Zankoku Na Sekai [Instrumental] (Shingeki No Kyojin OST))
Hikasa Yoko - Utsukushiki Zankoku na Sekai [ Shingeki no Kyojin ]
Toyosaki Aki, Hikasa Yoko - Singing!
Hikasa Yoko - (Nanami) Жестокий мир [Shingeki no Kyojin]
Kayano Ai, Hikasa Yoko, Tamura Yukari - Oracion (No Game, No Life)
Kawasumi Ayako & Hikasa Yoko - Seigi no KISS de Shoubu Shite
Hikasa Yoko - Seishun Vibration
Akiyama Mio (Hikasa Yoko) - No, Thank You!
Tamura Yukari, Hikasa Yoko, Kayano Ai - Oracion
Mizuki Nana & Hikasa Yoko - Fushicho no FLAME (SYMPHOGEAR LIVE 2013)
Maria & Tsubasa(CV.Hikasa Yoko & Mizuki Nana) - Fushichou no furanme (Off Vocal)
Toyosaki Aki, Hikasa Yoko, Sato Satomi, Kotobuki Minako - ED K-ON! [TV-1] - Don't say 'lazy'
Hikasa Yoko - Dance in the Fake
Ап. Akiyama Mio (Hikasa Yoko) - Soukuu no Monologue (K-ON!! OST)
[OST][Anime][Z/X: Ignition]Hikasa Yoko - Technoholica
Stephanie Dola (CV: Hikasa Yoko) - Light of Hope
Akiyama Mio (CV: Hikasa Yoko) - Heart Goes Boom!!
Rias Gremory (CV: Hikasa Yoko) - Crimson no Binetsu (クリムゾンの微熱)
Yusa Emi (CV: Hikasa Yoko) - Seigi ni Utsusu Tsuki (正義に映す月)
Akiyama Mio (CV: Hikasa Yoko) - "Let's Go" (Mio Ver.) (『レッツゴー』(澪Ver.))
Akiyama Mio (CV: Hikasa Yoko) - Hello Little Girl
Kawaii edit by US_2 - Yoko Hikasa - Utsukushiki Zankoku na Sekai
♫ OST Вторжение титанов - Utsukushiki Zankoku na Sekai (Yoko Hikasa) ♫
Rokka no Yuusha (ED 2) - Dance in the Fake - by Yoko Hikasa
Nanami - Utsukushiki Zankoku na Sekai (cover Hikasa Yoko)
Yoko Hikasa - Utsukushiki Zankoku na Sekai (OST Attack on titan / Вторжение титанов END1)
Nika Lenina - Beautiful cruel world (Hikasa Yoko cover) (Русская тв-версия) (OST Вторжение титанов)
Yoko Hikasa - Utsukushiki Zankoku na Sekai (Shingeki no kyojin / Вторжение Гигантов)
Vo: Hirasawa Yui & Akiyama Mio (Toyosaki Aki & Hikasa Yoko) - Watashi no Koi wa Hotch-kiss (#8「Live!」Mix) Yui & Mio Main Vo.
Ayumi Fujimura, Aki Toyosaki, Minori Chihara, Aya Hirano, Yoko Hikasa - Passionate squall (element-mix)
Ayumi Fujimura, Aki Toyosaki, Minori Chihara, Aya Hirano, Yoko Hikasa - Passionate squall
Aki Toyosaki, Yoko Hikasa, Satomi Sato, Minako Kotobuki, Ayana Taketatsu - Singing!
Maria Cadenzavna Eve (CV: Yoko Hikasa), Kazenari Tsubasa (CV: Mizuki Nana) - Phoenix's Flame
Maria Cadenzavna Eve (CV. Yoko Hikasa) × Tsubasa Kazanari (CV. Nana Mizuki) - Seiten Galaxy Cross (星天ギャラクシィクロス)
Shingeki no Kyojin / Атака титанов (Yoko Hikasa) - Ending 1 (Utsukushiki Zankoku na Sekai)
Toyosaki Aki, Hikasa Yoko, Sato Satomi, Kotobuki Minako, Taketatsu Ayana - ED K-ON! [Movie] - Singing!
Aki Toyosaki, Yoko Hikasa, Satomi Sato, Minako Kotobuki & Ayana Taketatsu - Singing! (K-ON! Movie OST)
Ayumi Fujimura, Aki Toyosaki, Minori Chihara, Aya Hirano, Yoko Hikasa - Passionate Squall (Seikon no Qwaser OST)
Yoko Hikasa feat. Aki Toyosaki, Satomi Satou, Minako Kotobuki - Lazy
Minori Chihara, Minako Kotobuki, Sayuri Yahagi and Yoko Hikasa - Shy Girls (Chuu Bra!! ED)
Minori Chihara, Minako Kotobuki, Sayuri Yahagi and Yoko Hikasa - Choose Bright!! (Chuu Bra!! OP)
Aki Toyosaki, Yoko Hikasa, Satomi Sato, Minako Kotobuki, Ayana Taketatsu - Don't say "lazy"