The Testament of Sister New Devil is a Japanese light novel series written by Tetsuto Uesu and illustrated by Nekosuke kuma. Twelve volumes have been
Basara Toujo is a high school student whose father has suddenly just remarried. His father then departs overseas leaving Basara with two new beautiful
The Testament of Sister New Devil. When a pair of sexy girls, Maria and Mio, come to live with high school student Basara Tojo, his life changes forever. The two girls have a secret that they don't keep for long Maria is a succubus, and Mio is a future Demon Lord.