Böcker av Rui Tsukiyo

To Kill That Which Cannot Die​After his success in battle with a demon, Lugh is made a Holy Knight by the Alvanian Kingdom and tasked with slaying more of the creatures. The problem is, only the hero can actually fell demons. Such a setback isn’t going to stop the world’s greatest assassin, however, and Lugh gets to work devising a spell to kill the supposedly immortal beings. Unfortunately, the only way to test this new magic is in a real battle! Failure promises certain doom, but triumph may turn out to be just as perilous if Lugh isn’t careful...

Thanks to his valiant efforts in defeating the orc general, Lugh is appointed as a Holy Knight. However, no glory comes without strings attached, as he is now tasked to subjugate the demons only the hero can kill. And to do so, Lugh must ensure his and the girls' abilities are up to par - especially with the appearance of a new demon!

Lugh challenges the orc general leading the monster horde, but no matter how he kills the demon, a mysterious force negates the damage. Tagging out with Epona, the hero unleashes the full fury of her overwhelming S-rank skill--"Berserk!" The full power of the hero is revealed at last, but what ramifications will the battle have on the war against the demons--and on Lugh's true mission?

A CITY FILLED WITH SMILES IS THE GREATEST WEAPON!When Balam, the Demon Lord of Darkness, reveals he had been pulling strings in Stolas’s war and requests a collaboration, Procel launches on a mission to rid himself of the troubling Demon Lord. Why, what better way to deter the Demon Lord of Darkness than by filling his own city with light? As his countermeasure against Balam, Procel begins his city’s newest project--a casino! Can his city full of smiles deter a surly fellow demon lord?

UNWAVERING DETERMINATION CHANGES THE COURSE OF WAR!A mastermind’s shadow looms overhead, and Procel intends to thwart any malicious plans! After saving Marco from near death, Procel swears to always be with her. As he enjoys a peaceful life for the first time in a long while, Stolas, the Demon Lord of Wind, faces her first war against a rookie demon lord. Unbeknownst to her, a trap awaits! When Procel attempts to join her battle, Stolas opposes: “This is my war and I’m going to win this on my own!”

To Kill A Comrade!Naoise has turned his back on humanity and become a servant to Mina, the snake demon. Lugh thought he could find a way to stop his way ward friend without killing him, but things come to a head when Naoise turns his sword against his own people. The world¿s finest assassin has slainwicked aristocrats and monstrous creatures alike, but this is an opponent unlike any other¿one he cares about.

An army of orcs is invading, and although the academy is doing its best to fight back, its walls are crumbling. While Dia and the others battle the main force, Lugh chases after the Hero, Epona. Can the two of them take down the demon that¿s leading the monsters?

Lugh vs. Epona! The power of the hero is finally revealed! Having aced the Royal Knights Academy exams, Lugh is now the classmate of his assassination target, the hero, Epona. But he'Äôs only given a brief moment of peace before being thrown into a mock battle with Epona! With no time to prepare, who will win?

A NEW FUTURE TO SAVE AN OLD LOVE.Procel has charged full-speed into his plan to save Marco, not only from the attack on her dungeon, but from her own fate. The Demon Lord of Creation is prepared to make sacrifices, big and small, even if it means he loses the respect of Marco herself. It’s an emotional plea from Procel that shifts fate and begins to build a new future.

After Lugh's most recent victory in his battle against the demons, he decides it's time to take his relationships with Dia, Tarte, and Maha to the next level, proposing to all of them. The celebration is brief, however, for the Royal Knights Academy has finished rebuilding, and it's time to return to school. Unfortunately, on Lugh's very first day back, he's given a new assassination target: the hierarch of Alamism. The religious leader has apparently been replaced by a demon in disguise. Lugh can't let a monster control the world's most powerful organization, but killing it will mean infiltrating the Holy Land, the most heavily guarded place in the kingdom. Has the assassin finally met his match?

A DUNGEON PLOTS AND PLUNDERS!After obtaining a forbidden power, Procel learns of a senior demon lord’s plot against him. Unwilling to let another lord belittle his townspeople or force them to submit to outside rule, Procel plans a counterstrike against the oppressive neighboring town, Eklava. But as fear and despair grow, so too does Procel’s untapped power as a demon lord. When that growing power puts his best friend Marco at risk, more fire power will be needed to beat back Eklava and its oppressive demon lord!

Lugh''s fight with the formidable Setanta comes to an end-but will hisassassin''s trumpcard actually reach his overpowered opponent!? Then, whenLugh enrolls into an eliteacademy, he finally meets his target: thehero!

After defeating the third demon and parting ways with Noish, who fell todarkness,Lugh and company return to Tuatha De. Although their successincreases their esteemwith the crown, it also draws the envy of thenobility, who subsequently begin to plotagainst the Tuatha De family. Yet,as Lugh concocts a series of assassinations againstboth the demons and thehumans seeking to sabotage him, he falls into a deep sleep,where he reuniteswith the Goddess of Beginnings. Something in that beguiling smileof herssuggests she has ulterior motives...

The great assassin’s next target is…the cosmetics industry!​After completing his assassination training, Lugh embarks on his last test as heir to the Tuatha Dé clan: taking on the business world. Now, he dons the identity of Illig Balor and forges a new path and connections as the illegitimate son of a tycoon. But will this final trial be enough to prepare Lugh for his most difficult assignment yet?!

Unexpected Allies... and Enemies​During a party in the royal capital, Lugh runs into Mina, the mysterious and flirtatious snake demon. Evidently, she’s already infiltrated human society, but not to take it over. She’s not too thrilled about seeing the Demon King revived and wishes to help Lugh prevent that from happening...or does she? Mina seems to have her hooks in many different important people: nobles, princes, and even Lugh’s friends. Will this wolf in sheep’s clothing manage to turn classmates against one another?

The Assassin Meets the Hero​Lugh, Dia, and Tarte enroll in the most elite academy in the Alvanian Kingdom. On the surface, the group is there to learn how to be knights, but Lugh’s real goal is to get close to the hero he’s been tasked with eliminating. However, Lugh winds up getting more familiar with the hero than first intended, and he learns that the prophesized savior’s power comes at a steep price. Being a hero isn’t easy, and when trouble strikes, will the assassin have to save the one he’s supposed to kill?