Books by Rui Tsukiyo

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!

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?