[Light novel] Lazy villain aristocrats (2 books)

Publisher: to Books
Author: Iko, kodamazon
Size: 128mm x 182mm
Number of books: 2
Language: Japanese
Category: Light novel
Latest release date: 2023-12-20

Synopsis:
Despite being the second son of the Vicious Duke aiming to overthrow the Kingdom of Aressidas, there was a hero who saved the country.
Ryuk is the name.
The strongest wizard that handles the unique magical sleep that sleeps all humanity.
But that identity is a lethargic boy who loves Gutara's life! ? His dream is to realize "100 % pleasant nap".
There was no intention of helping people, but I just let the person who hindered sleep for a good night's sleep in "eternal sleep"!
Then the disturbing people turned out to be the faction of the father who is planning to overthrow the nation, and have to work unpleasant to stop the war ...?
"I'm sleepy already?"
Magical Sabotage Fantasy, where the weak prince saves the world for a nap!