Sengoku Komachi Kurōtan (戦国小町苦労譚, "A Sengoku Period Belle's Labor Story") is a Japanese light novel series written by Kyōchikutō and illustrated by Geko Hirasawa. It began serialization on the user-generated novel publishing website Shōsetsuka ni Narō in January 2013. It was later acquired by Earth Star Entertainment who began publishing it under their Earth Star Novel imprint in January 2016. A manga adaptation illustrated by Hajime Sawada, titled Sengoku Komachi Kurōtan: Nōkō Giga, began serialization on Earth Star Entertainment's Comic Earth Star manga website in May 2017. Source: Wikipedia (en)