There is a sinister devil who is as cute as an angel, a narcissistic crown prince with incomparable elegance, a young master who is more beautiful than a woman, and a sunny boy who is superb in medical skills but very crazy. What will happen when these four beautiful boys with different personalities and styles come together? As the Demon King gradually awakens, troubles begin to occur within the six realms, and all kinds of strange things begin to find them one after another. Faced with various changes, how should they, as masters of mythical beasts, deal with themselves...
PS: Post-sequel: "Travel in the Rivers and Lakes"