Redo of Healer (Japanese: 回復術士のやり直し 〜即死魔法とスキルコピーの超越ヒール〜, Hepburn: Kaifuku Jutsushi no Yarinaoshi: Sokushi Mahō to Sukiru Kopī no Chōetsu Hīru, lit. "The Healer's Do-Over: Transcendent Healing Through Insta-Kill Magic and Skill Copying"), also known in Japan as Kaiyari for short, is a Japanese fantasy light novel series written by Rui Tsukiyo and illustrated by Shiokonbu. It began serialization online in December 2016 on the user-generated novel publishing website Shōsetsuka ni Narō. It was later acquired by Kadokawa Shoten, who have published the series since July 2017 under their Kadokawa Sneaker Bunko imprint.