Nanao Nanaki

On a desperate battlefield... I'll start running a tavern! Cleo, a man who has been a mercenary for 10 years, meets a mysterious girl named Kohaku. In order to survive on the battlefield, where "different swords" with great power are flying around, the two of them start running a "tavern" where soldiers gather!

"The Green Bird of Happiness" Its figure was as divine as the phoenix of legends, and the timbre of its songs was more majestic than any instrument. It's said that if you were to encounter it, you will be promised happiness…

The Demon King has been defeated, and now the Demon World is running a contest to choose his successor. A muscular and high-level human named Helck has joined and says that he wants to destroy all HUMANS. Is he serious? Red Vamirio, one of the Four Heavenly Kings of the whole Demon Empire, is monitoring the contest and can't believe this. What's the secret behind Helck and the human world?

The story of a certain man who intends to destroy humanity.

In order to find the treasure to recover her memory, a girl sets out on an adventure.