Yui Ishikawa (石川 由依 Ishikawa Yui, born May 30, 1989 in Osaka) is a Japanese anime voice actress represented by Sunaoka Office.

Before she started as a voice actress, she was a stage actress and has been voicing radio dramas since 2002.

1. Tanya Akurou  Darker than Black: Ryuusei no Gemini

An innocent and shy girl who is introduced in the beginning as Suou's friend.

She mysteriously transforms into a contractor shortly after, changing her into a cold, emotionless person.

Her power is controlling a huge swarm of cockroaches, her remuneration is pulling out her hair. 

 

2. Reira Akaba  Yu-Gi-Oh! ARC-V

Reira, also known as Layra, is a character in the Yu-Gi-Oh! ARC-V anime.

He is the adopted younger brother of Reiji Akaba and adopted son of Reo Akaba and Himika Akaba.

He is a student at LDS and is known as its jewel. He is the only known Lancers from Junior Class.

Despite his young age, Reira's Dueling skill is necessary to their fight with Academia. 

3. Dhianeila Y Leisha Altoria Ol "Princess" Yunos  Heroic Age

The young princess of the Iron Tribe. By using information passed down by the royal family, she takes it upon herself to search for the one she considers their savior.

Along with her other psychic powers, she has the power to create astral projections.

It also seems that every time a man without a pure heart comes near her, she loses her senses. 

4. China Kousaka  Gundam Build Fighters

A 7th-grader in Seiho Academy's art program, and a class rep.

China is shown to be quite good in handling Gunpla in battle, with minimal training from Sei and Reiji.

She was able to win 2nd place in a local all girls gunpla battle tournament, she was also a part of the attack force on space fortress A Baoa Qu, showing good control as she was able to take down several Mocks. 

5. Reina  Pokémon Origins

Reina is a recurring character in Pokémon Origins and a volunteer at the Lavender Volunteer Pokémon House. 

6. Hinaki Shinjou   Aikatsu!

Hinaki is an energetic girl with an informal manner about her that allows her to get along well with others.

She's been in the entertainment business since childhood and thus has more knowledge and experience compared to most idols her age.

Because of this, she'll sometimes feel insecure as nothing she says sounds fresh. She's a very fashionable girl and enjoys being so.

She likes to coordinate clothes and feels that there are clothes that suit everyone. 

7. Sayuri Haruno   Bonjour Koiaji Pâtisserie

She is a young maiden who aspires to make delicious sweets and fall in love with every character in the show (although she hides it well). 

8. Shigure Yukimi   Owari no Seraph

Shigure is a second lieutenant of the Japanese Imperial Demon Army and a member of Guren's squad in the Moon Demon Company.

Like Sayuri Hanayori, she is also a servant for the Ichinose Family. 

9. Mimika Mikagami  Soukyuu no Fafner: Dead Aggressor - Exodus

Mimika is a character introduced in the Exodus portion of the anime. 

Attack on Titan is Unstoppable, With 52 Million Copies Sold Worldwide

Feast Your Eyes on Attack on Titan 4D Trailer!  

10. Mikasa Ackerman Attack on titan

Mikasa is Eren's adoptive sister and mutual childhood friend of Armin.

Mikasa shares an unbreakable bond with Eren following events in their past, and rushes to protect him whenever he is in danger.

Mikasa possesses impressive fighting skill and strength even as a child.

As a teen, Mikasa is considered a genius among all the army trainees and is incredibly skilled at combat and agility.

She constantly worries for Eren's well-being and lives to protect him. 

(source:rinkujou)