The protagonist of the story chose a class that invested all attribute points into defense in the game. He originally thought he could roam the game easily with his impenetrable defense, but unexpectedly traveled to the game world and became a real defense-focused character. In this world, he has no choice but to face various dangers and challenges, while also adapting to life in the game world. Through the protagonist’s adventure, this work showcases the fantasy settings and charm of the game world. At the same time, it integrates some elements from real life, allowing readers to not only feel the fun of the game but also find resonance with real life while reading.