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Rising popularity was a dopamine hit, but Leo Vance didn't let it go to his head. Hype was just noise until it converted into sales. A million forum posts didn't matter if they didn't result in a million books leaving the shelves.
He needed to close the deal.
Leo sat in his ergonomic chair, the central air conditioning humming a low, steady bassline. He opened a music streaming app on his computer. Since the app was technically region-locked to overseas servers, he had written a quick script to bypass the IP restrictions. It was a minor flex of his programming skills, but listening to his curated playlists was essential for his workflow.
He put on his noise-canceling headphones, and the world narrowed down to the glowing rectangle of his tablet.
Leo's illustration style for this project defied the industry standard.
Typical light novel illustrations were character-centric. They focused on "Waifu" appeal—big eyes, blushing cheeks, compromising poses—designed to help the reader fall in love with the heroine.
But The Demon King Delivers the Punchline was different.
In Volume 1, the protagonist hadn't established his kingdom yet. He was leading a ragtag band of rebels, bandits, and thugs. There were no princesses or high elves in sheer dresses. The only female character of note was a scarred bandit leader, and she wasn't exactly "moe."
So, Leo leaned into concept art.
He painted atmosphere. He painted the crumbling spires of the grey castle, the mud-slicked armor of the rebel army, the terrifying scale of the monsters they faced. His style was vibrant but heavy, utilizing light and shadow to create a cinematic quality similar to WLOP's Ghost Blade. It wasn't just illustration; it was world-building rendered in 4K.
His hand flew across the tablet. Thanks to his "Preview" ability, he didn't need to sketch or iterate. He was tracing a vision that already existed in his mind.
He had planned to finish two illustrations in eighty minutes. He finished three in sixty.
With time to spare before his gaming session with Utaha, Leo packaged the files—three high-resolution .PSDs and a text document detailing exactly where they should be inserted in the manuscript.
He sent them to Machida Sonoko.
[Leo]: (Files sent. Check your inbox. I included layout instructions to save your design team some headaches.)
[Machida Sonoko]: (Received. You work fast, Great Demon God-sensei. Thank you.)
[Leo]: (You and the staff are the ones working overtime to meet the print deadline. Pass on my thanks to the team.)
[Machida Sonoko]: (It's part of the job. Plus, the higher-ups approved a bonus for this rush, so morale is high. By the way, have you seen the forums? The discussion is exploding.)
[Leo]: (I saw. The marketing department did a good job starting the fire.)
[Machida Sonoko]: (Thank you for the compliment. I actually started the thread myself. But frankly? I only lit the match. The inferno is all thanks to your art. The users are obsessed with the details.)
Leo paused, tapping his stylus against the desk. He had an idea.
[Leo]: (Speaking of art... I have a proposal. Once I finish the official illustrations, I want to draw some 'promotional' art. High-quality sketches, character concepts, maybe some non-canon scenarios. I want to post them on Twitter and Pixiv to drive engagement. Would that conflict with the publisher's strategy?)
There was a pause on the other end.
[Machida Sonoko]: (If you're willing to do that... Shinazugawa would be ecstatic. The reason most authors don't do this is simply cost. Hiring a top-tier illustrator to draw 'extra' promotional art is incredibly expensive. Unless the book is a guaranteed mega-hit, the budget just isn't there. And asking the author to pay out of pocket? Most can't afford it.)
[Leo]: (I understand. It's an economic bottleneck. But since I am the artist, the cost is zero. I'll flood the zone. I want this book to be unavoidable.)
[Machida Sonoko]: (Then please, go ahead. We'll retweet and share everything you post. This is... frankly, an unfair advantage, Sensei. But we love it.)
Leo smiled.
This was his "Cheat Code."
In the industry, a single high-quality illustration from a famous artist could cost hundreds of thousands of yen. For a standard light novel author to commission five or six promotional pieces for social media? It would bankrupt them.
But Leo could produce them in an hour for free.
He could release character sheets, environmental concept art, even "what-if" scenarios to keep the audience engaged between volumes. He could turn his Twitter feed into an art gallery dedicated to his own world.
It was a Win-Win.
The publisher saved money on marketing. Leo increased his sales and royalties. And eventually, once he had enough material, he could bundle it all into a premium Art Book and sell it for pure profit.
"Money from otaku is easy to earn," Leo murmured, closing the chat window. "But only if you give them quality."
He checked the clock. He had thirty minutes before Utaha logged on.
"Time for one more," he decided. "Let's draw the bandit leader. Maybe I can make scars look cute."