Running into your new stepsister in the bathroom is not the best way to make a good first impression, which Basara Toujou learns the hard way. When his father suddenly brings home two beautiful girls and introduces them as his new siblings, he has no choice but to accept into his family the Naruse sisters: busty redhead Mio and petite silver-haired Maria.
But when these seemingly normal girls reveal themselves as demons—Mio the former Demon Lord's only daughter and Maria her trusted succubus servant—Basara is forced to reveal himself as a former member of a clan of "Heroes," sworn enemies of the demons. However, having begun to care for his new sisters, Basara instead decides to protect them with his powers and forms a master-servant contract with Mio to keep watch over her.
With the Heroes observing his every move and the constant threat of hostile demons, Basara has to do the impossible to protect his new family members. Moreover, the protector himself is hiding his own dark secret that still haunts him to this day...
The Testament of Sister New Devil has finished airing and it has 12 Episodes. It is also Known as: 新妹魔王の契約者〈テスタメント〉, Shinmai Maou no Keiyakusha
Genres: Slapstick , Violent Retribution For Accidental Infringement , Stereotypes , Action , Fantasy , Comedy , Ecchi , Romance , Harem , Parental Abandonment , Demon
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Top 5 Anime Like The Testament of Sister New Devil (Shinmai Maou no Testament) [2026 List]
5. Zero no Tsukaima: Futatsuki no Kishi
Revered as heroes for their role in defending Tristain, Louise and her familiar Saito face heavy pressure to continue protecting the Kingdom. With an uneasy peace now established within Albion, the newly crowned Queen Henrietta must deal with a political struggle brewing on the horizon. To make matters worse, a new villain has begun plotting in the shadows against the Crown.
With the continuing threats that face the Kingdom, Louise and Saito are compelled to work together once more. No longer "Louise the Zero," the young mage's newfound aptitude for Void magic gives her enough power to wipe out an entire village; however, wielding these abilities comes with its share of challenges. As more conflicts arise, the idea of placing honor above oneself is put into question—regardless of their answer, their only choice is to see it through until the end.
The Familiar of Zero: Knight of the Twin Moons has finished airing and it has 12 Episodes. It is also Known as: ゼロの使い魔 ～双月の騎士～, Zero's Familiar 2nd Series, Zero no Tsukaima S2, The Familiar of Zero: The Rider of the Twin Moons
4. Shinmai Maou no Testament
Running into your new stepsister in the bathroom is not the best way to make a good first impression, which Basara Toujou learns the hard way. When his father suddenly brings home two beautiful girls and introduces them as his new siblings, he has no choice but to accept into his family the Naruse sisters: busty redhead Mio and petite silver-haired Maria.
But when these seemingly normal girls reveal themselves as demons—Mio the former Demon Lord's only daughter and Maria her trusted succubus servant—Basara is forced to reveal himself as a former member of a clan of "Heroes," sworn enemies of the demons. However, having begun to care for his new sisters, Basara instead decides to protect them with his powers and forms a master-servant contract with Mio to keep watch over her.
With the Heroes observing his every move and the constant threat of hostile demons, Basara has to do the impossible to protect his new family members. Moreover, the protector himself is hiding his own dark secret that still haunts him to this day...
The Testament of Sister New Devil has finished airing and it has 12 Episodes. It is also Known as: 新妹魔王の契約者〈テスタメント〉, Shinmai Maou no Keiyakusha
3. Shakugan no Shana
The world has become a slaughtering ground for the Crimson Denizens, mysterious beings from a parallel universe who thrive on the life energy of humans. These merciless murderers only leave behind scant remainders of souls called "Torches," which are mere residues that will eventually be destroyed, along with the very fact of the victims' existence from the minds of the living. In an ambitious endeavor to put an end to this invisible, hungry massacre, warriors called Flame Hazes relentlessly fight these monsters.
One fateful day, Yuuji Sakai ceases to be a regular high schooler—he becomes trapped in a crevice of time and is suddenly attacked by a Denizen. Coming to his rescue just in the nick of time is a nameless hunter who seems no different from an ordinary young girl except for her blazing eyes and burning crimson hair. However, before Yuuji can learn anything more about his situation, he discovers that he has already been reduced to a Torch—merely a scrap of memory waiting to be extinguished.
Shakugan no Shana: Season I has finished airing and it has 24 Episodes. It is also Known as: 灼眼のシャナ, Burning-Eyed Shana
2. Zero no Tsukaima
Louise Françoise Le Blanc de La Vallière is a self-absorbed mage in a world of wands, cloaks, and royalty. Although she studies at Tristain Academy, a prestigious school for magicians, she has a major problem: Louise is unable to cast magic properly, earning her the nickname of "Louise the Zero" from her classmates.
When the first year students are required to perform a summoning ritual, Louise's summoning results in a catastrophic explosion! Everyone deems this to be yet another failure, but when the smoke clears, a boy named Saito Hiraga appears. Now Louise's familiar, Saito is treated as a slave, forced to clean her clothes and eat off the ground. But when an unfamiliar brand is found etched on Saito's hand from the summoning ritual, it is believed to be the mark of a powerful familiar named Gandalfr.
Wild, adventurous, and explosive, Zero no Tsukaima follows Saito as he comes to terms with his new life and as Louise proves that there is more to her than her nickname suggests.
The Familiar of Zero has finished airing and it has 13 Episodes. It is also Known as: ゼロの使い魔, Zero's Familiar
1. Fate/stay night
After a mysterious inferno kills his family, Shirou is saved and adopted by Kiritsugu Emiya, who teaches him the ways of magic and justice.
One night, years after Kiritsugu's death, Shirou is cleaning at school, when he finds himself caught in the middle of a deadly encounter between two superhumans known as Servants. During his attempt to escape, the boy is caught by one of the Servants and receives a life-threatening injury. Miraculously, he survives, but the same Servant returns to finish what he started. In desperation, Shirou summons a Servant of his own, a knight named Saber. The two must now participate in the Fifth Holy Grail War, a battle royale of seven Servants and the mages who summoned them, with the grand prize being none other than the omnipotent Holy Grail itself.Fate/stay night follows Shirou as he struggles to find the fine line between a hero and a killer, his ideals clashing with the harsh reality around him. Will the boy become a hero like his foster father, or die trying?
Fate/stay night has finished airing and it has 24 Episodes. It is also Known as: Fate - Stay Night
