The Cameo: The mobile title The Lone Necromancer: Idle RPG was prominently featured as a product placement (PPL) in Episode 9 of the Netflix original series True Education.
The Show’s Success: True Education hit the #1 daily viewership spot in 27 countries within just four days of its global premiere.
The Growth Engine: Developed by Delicious Games and published by Lunosoft, the game cleared over 1 million pre-registrations prior to its official launch.
The Strategy: A text-book example of modern cross-media marketing, where multiple adaptation lines under a single intellectual property studio (YLAB) actively promote one another.
YLAB Webtoon & Web Novel IP, What About the Game ‘Raising a Necromancer Solo’?
A Connected Universe Under One Studio Roof
The collaboration seen in Episode 9 highlights the growing maturity of South Korea’s content value chains. Content studio YLAB, which holds the primary rights to both True Education and The Lone Necromancer, is leveraging its massive roster of popular properties—which also includes hits like Island, Hanlim Gym, Study Group, and Jungle Juice—to build an interconnected marketing pipeline.
By naturally dropping a mobile game adaptation of one property into the high-profile live-action adaptation of another, YLAB has successfully blurred the lines between different media tracks, introducing thousands of streaming viewers directly to the mobile gaming ecosystem.
Surviving the Apocalypse: The Necromancer Loop
Based on the popular Munpia web novel and its ongoing Naver Webtoon serialization, The Lone Necromancer: Idle RPG places players in a post-apocalyptic world.
- Strategic Undead Armies: Players take control of the protagonist, Seongwu Yu, who transforms into a powerful necromancer following the collapse of civilization.
- Synergy Networks: The core loop relies on strategically pairing diverse classes, companions (such as Hanho Lee and Jisu Yun), and summoned undead thralls to activate unique team-wide status benefits.
- Familiar Landmarks: Fans of the source material can interact directly with central locations from the comic, including Suwon Village and the World Tree, to unlock high-tier passives and rare items.

A Three-Way Development Blueprint
The game’s market entry has been framed as a highly successful division of labor between three distinct corporate entities:
- YLAB managed the overarching IP framework and lore alignment.
- Delicious Games focused strictly on mechanical polish, striving to translate the visual identity of the webtoon into an intuitive, accessible idle format.
- Lunosoft utilized its extensive operational history with webtoon-to-game transitions (having previously serviced titles like Shengui’s Competition and Three Kingdoms Talk) to run comprehensive focus group tests and software updates.

With the increasing number of instances where Netflix dramas, webtoons, and games are connected around a single IP, the recent product placement in ‘Solo Necromancer’ is drawing attention as a prime example demonstrating synergy between content.
The industry is paying close attention to whether ‘True Education,’ which continues its global success, can serve as a channel for new user influx into the game, and what results the collaboration between YLAB, Delicious Games, and Runosoft will yield in the future.
Information regarding ‘ The Lone Necromancer: Idle RPG ‘
| item | detail |
|---|---|
| IP Original | Alone Necromancer (Web Novel/Webtoon, IP Owner: YLAB) |
| Original webtoon | Written by Kim Gyeong-yeol, Illustrated by Kim Dong-jun, Original work “Branch Manager,” currently serialized on Naver Webtoon and Series. |
| Developer | Delicious Games (CEO Lee Hyun-jin) |
| Publisher | Runosoft (Runo Games, CEO Kim Bok-nam) |
| Genre | Infinite Growth Strategy RPG / Idle RPG |
| Release platform | Google Play / ONE Store / iOS (App Store) |
| Official release | March 2025 |
| Pre-registration | more than 1 million people |
| PPL exposure | Netflix ‘True Education’ Episode 9 |
| Main Keywords | Necromancer, Idle RPG, Webtoon Original, Apocalypse, Party Synergy |
| Official Community | Naver Lounge · Discord |
