

新妹魔王の契約者〈テスタメント〉・嵐!
High school student Toujo Basara's life has taken a turn for the strange. Although hesitant about his father's sudden decision to remarry, he can't deny it comes with a couple perks—drop-dead gorgeous step-sisters...who also happen to be members of a demon clan! Mio Naruse is a Demon Lord and Maria Naruse her succubus servant. Chaos and passionate antics ensue as Basara gets acquainted with his new demonic siblings, trying to protect them from dangerous demon rivals and struggling to keep up wit...
Shinmai Maou no Testament: Arashi has been published in English as The Testament of Sister New Devil STORM! by Seven Seas Entertainment since September 26, 2017.
The Testament of Sister New Devil: Storm! has 30 chapters.
The Testament of Sister New Devil: Storm! has 5 volumes.
The Testament of Sister New Devil: Storm! is currently finished.
The Testament of Sister New Devil: Storm! was written by Tetsuto Uesu, Fumihiro Kiso.
The Testament of Sister New Devil: Storm! was published Feb 7, 2014 to May 6, 2016.
Ranked higher than 64% of all manga on AniTome (out of 30,039)
More popular than 82% of all manga