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After narrowly avoiding a terrible fate at the school festival, Kou renews his friendship with his old classmates from Research, Asagiri and Isumi....

I shall grant you a quick death. Such were the words uttered byElisabeth, having been ordered eliminate to Kaito, the fifteenth demoncontractor, ho...

After taking a kihei as his Bride and overcoming the massive invasion knownas theGloaming, Kou Kaguro has finally earned some peace for himself and...

After losing her beloved father-figure Lewis, Alice wishes to drag thewhole world withher to the grave, while Elisabeth, now without Kaito,strives ...

Life for a life. With nowhere left to turn, the people of the realm beseechElisabeth to sew chaos far and wide. And if she does not comply, Kaito, ...

Adapted and expanded from online extras for the series, this gorgeouscollection ofshort stories and illustrations details fragmentary momentsfrom t...

Kaito has had a rough life,but it only gets worse after he dies. When he's summoned to another world, hemeets a beautiful and terrifying girl who o...

In this dark, gothicfantasy, a boy is summoned to another world where he meets a beautiful andterrifying girl who offers him a choice-to be her ser...

The Grand King has been vanquished at last, but her deathcomes at great cost. Hina's long slumber, Kaito's contract with the Emperor, andthe death ...

There are many foes that will succeed theEmperor and his contractor, Vlad. In preparation for future battles, Kaitobegins to study magic. He even m...