reikenzan: hoshikuzu-tachi no utage
Mandarin: Cóngqián yǒu zuò líng jiàn shān (从前有座灵剑山, Once Upon A Time There Was A Spirit Sword Mountain)
A Chinese online novel and manhua, originally created by Guowang Bixia. An anime adaptation produced by Studio Deen premiered in January 2016.