The Demon King has been defeated and now the Demon World is running a competition to choose a successor. A muscular, high-level human named Helck has joined the competition claiming that he wishes to destroy all humans. Is he serious?... more>>

Red Vamirio, one of the Four Heavenly Kings of the entire Demon Empire, is monitoring the competition and cannot trust him. What's the secret behind Helck, and the Human World? <<less

"The Green Bird of Happiness"... more>>

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... <<less

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

Series was discontinued in 2014 after Nanaki started working on her new weekly series, . And in 2018, it was been rebooted due to the success of Helck. <<less