[DeepL Translation - needs review] Volume 1 of Nocturne Novels, the men's site of the novel submission site "Shosetsu-kaerou" (Novelist's Letter), has finally been published in book form!
An old man digs an underground passage alone.
Suddenly, he is transformed into a young man with twinkling eyes.
His name is Oulu.
After a lifetime of research, he has finally qualified to become the "Demon King!
For starters, he makes a contract with a beautiful succubus named Lil,
He begins to create a vas...
