Yen Press

As a young boy, Chiaki Mikado had an encounter with an unusual, three-headed puppy, and as a consequence of a bite from that dog, he lost a piece of his...

Stepping over the corpses of their comrades, Seigi and Aryabhata meet in battle to decide the fate of the world. Who will reign supreme-Seigi, who's trying to change the world...

It all comes down to this! Seigi, master of the "keyless Spell Crest," heads deeper into the ruins site at the South Pole in search of Princess Aryabhata. But before...

Seigi's fight comes to an end at the ruins in the South Pole! Series Information Learn more about the series. Hover the bolded text for more information. Story and Art...

After escaping Aryabhata's wrath, Seigi gets pulled into a battle with one of her sisters, the martial artist Syunya! Blessed with preternatural strength and a mastery of nearly every combat...

Seigi was victorious in his long-awaited battle with Princess Aryabhata, but the danger is far from over. In sixth month's time, they'll meet once again at the South Pole Ruins...

After squaring off against Cal, Seigi moves on to his toughest foe yet--Princess Aryabhata! Once the battle begins, things quickly get desperate as the princess unleashes her full power! With...

A year has passed since Seigi went into hiding and began his new life with Dr. Wiseman, and something about him has changed. Compared to the old Seigi, he's tougher,...

The thrilling conclusion to BB's story has arrived! He and Varma sneak into Samsara and meet Princess Aryabhata's sisters, who reveal the secret of their sibling's origin! Learning the brutal...

Seigi gets his hands on something that has the power to rewrite reality itself! Series Information Learn more about the series. Hover the bolded text for more information. Story and...

Seigi's Spell Crest is unique in how it creates voids that can cause severe damage to the surrounding area...At least, that's what everyone thought. But now it seems like Princess...

Determined to carve his own path, Seigi sets out to face the assassin from Selinistan head-on! But will his training with the Void Maker be enough for him to emerge...

Enlisted by the American military officer Easy, Seigi trains diligently in an effort to master his Spell Crest. But when a friend and colleague of Easy's is targeted in a...

With his carthorse as his only companion, the young merchant Kraft Lawrence slowly wends his way through dusty back roads in search of profitable trade. But this monotony screeches to...

I'm gonna survive-just watch me!I was your average, everyday high school girl, but now I've been reborn in a magical world...as a spider?! Wait-this isn't how these stories are supposed...

By all accounts, middle schooler Seigi is pretty unremarkable except for his martial arts prowess and a desire to protect the weak. But when his good intentions are put to...

Kojou Akatsuki lives on the artificial island of Itogami, and he has a secret: He's the "Fourth Primogenitor," the most powerful vampire in the world. He's carefully kept this dark...

Time is running out for Kanon Kanase. If they can't stop the faux-angel ritual in time, she'll ascend from realm of mankind and become something truly inhuman. Will the Fourth...

After partnering with Natsuki Minamiya to capture the Masked and end the destruction in the sky, Kojou and Yukina are shocked to discover one of the winged girls is none...

Yukina and Koujou are reunited once more and ready to take on the army of Nalakuvera! Will the strength of his new beast vassal allow the Fourth Primogenitor to reign...