Tomoko Kotaka is a playwright from Osaka. She started writing at Itami So-ryu Shijyuku in 2014. In 2016, Sayonara Akarui Biteikotsu (さよならあかるい尾骶骨) became the finalist for the 2016 Chikamatsu Award and in 2019, Hikari no naka de Me wo korasu (光の中で目をこらす) became the 2018 Japan Playwrights Association’s New Playwright’s Award finalist.