Yoshitoki Ōima (大今 良時, Ōima Yoshitoki, born March 15, 1989 in Ōgaki, Japan [aged 31 in 2020]) is a Japanese manga artist and writer, best known for her manga series A Silent Voice, known as Koe no Katachi in Japanese.

Ōima was born on March 15, 1989 in Ōgaki, Japan as third daughter of a sign language interpreter mother and has an older sister and an older brother. Due to her mother's work as a sign language interpreter, Ōima was inspired to write the A Silent Voice manga series where she got help by her mother and her sister working on the series.

Her first manga was Mardock Scramble which was an adaptation of the same-named novel written by Tow Ubukata and was released in 2009. She was even responsible for an illustration of the ending sequence of the ninth episode of Attack on Titan. After her success with A Silent Voice, Yoshitoki Ōima worked alongside other manga artists on a collaboration manga called Ore no 100-wame!!. In 2016 Yoshitoki Ōima released her third full manga series under the moniker To Your Eternity.

In 2015 , Yoshitoki Ōima won the New Creator Prize for A Silent Voice at the Tezuka Osamu Cultural Prize. A Silent Voice was nominated for an Eisner Award a year later, the Rudolf-Dirks-Award, and the Max & Moritz Prize in 2017 and 2018. In 2018 she won at French Japan Expo the Daruma d′Or Manga for A Silent Voice and the Daruma de la Meilleure Nouvelle Série for To Your Eternity.

A Silent Voice was made into an anime movie in 2016 by Kyoto Animation. An English subtitled and an English dubbed version of A Silent Voice: The Movie has been released.


  • 2009: Mardock Scramble
  • 2013: A Silent Voice
  • 2015: Ore no 100-wame!! (alongside other manga artists)
  • 2016: To Your Eternity
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