Redo of Healer , also known in Japan as KaiYari for short, is a Japanese 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.