Martin chooses the Guardian class, a tank role, not from his mother's suggestion to mingle, but from a pragmatic desire for control and leverage in party selection. He wants a role that "lets the role do the talking instead of constantly explaining himself." Upon entering the tutorial, the immersive VR technology immediately grounds him; he feels the physical weight of the wooden shield and the subtle pull of the sword at his hip. The first quest, blocking ten strikes from a training dummy, is a brutal lesson in real-world physics. His initial attempts are sloppy, resulting in significant shield durability loss and a "Shield Block failed" warning. He realizes this isn't about button mashing; it's about precise timing, footwork, and guiding impacts to the shield's center. Instead of moving on, a familiar irritation and competitive drive surge through him. He refuses to take the next quest, determined to achieve a perfect block. Just then, the dual-swords woman, Chaosgraphy, makes the same choice, challenging him to a race for mastery. This shared stubbornness for perfection solidifies their rivalry. Martin eventually achieves his perfect clear, earning a rare Steel Shield (Blue), a tangible reward for his effort. He logs off, the thrill of competition and the promise of a world where effort equals progress burning in his chest, ready to face Chaosgraphy again tomorrow.

Rangar, the academy NPC, introduces Martin and Chaosgraphy to a hidden Level One Dungeon bracket, promising exclusive rewards but locking their level and skills. This system sets up a challenge of pure skill and strategy over grinding. In his first solo run, Martin initially focuses on perfect blocks to minimize damage. However, when ambushed by three wooden wolves, he takes significant HP damage and his shield durability plummets. A critical discovery shifts his strategy: killing a wolf triggers a "Level Up!" notification, immediately followed by "Level Synchronization Active" and "Level Restored: 1," which completely refills his HP and stamina. This loophole reveals that the dungeon rewards strategic resource management through kills, not just damage negation. Martin adapts, using this mechanic to sustain himself while pushing deeper. He reaches the lake, luring a massive pack of wolves and awakening the Baby Kraken. The boss proves adaptive, learning Martin's patterns, using double-tentacle slams, and deliberately wiping out his "refill" wolves. Despite his best efforts, Martin dies, his shield destroyed and sword nearly broken, a stark reminder of the dungeon's unforgiving nature. He reappears at the Light Tree Hub, frustrated but not defeated, with a new challenge ahead: a whispering mage named NukEncore asks him to practice, but he has no shield.

Martin's immediate problem is a lack of funds for a new shield, but Rangar, acting as his caretaker, provides four weekly replacements, ensuring he can continue his challenges. Soon after, NukEncore, a mage with highly inaccurate magic, approaches Martin for practice. Her "Arcane Mana Bolts" are chaotic, but Martin discovers that his "Threat" skill can force her attacks to hit him directly, making her a valuable training partner for mastering magic blocking. This collaboration highlights the functional synergy between their classes. Meanwhile, Martin's high ranking in the Damage Taken category catches the attention of Cassandra Selfmore, a powerful businesswoman and the leader of the Night Espresso guild. She offers him two weeks of paid leave from his real-world job and an invitation to her guild, a massive real-life payoff for his in-game efforts, directly linking his virtual success to tangible benefits. Martin accepts, prioritizing this real-world advantage, and forms a party with Chaosgraphy, NukEncore, and Kill Clause (Cassandra in disguise) for a party dungeon run in the Buried Mine. Inside, they face new challenges: Kill Clause's traps can harm allies, and NukEncore suffers a crystallization debuff. Martin ingeniously discovers that perfect-blocking NukEncore's magic shatters her debuff, allowing her to collect mana-refilling crystals, turning a weakness into a powerful asset for their team. The party then faces the Dark Blue Goblin Boss, a level 5 elite, signaling a much tougher battle ahead.

The party confronts the Dark Blue Goblin Boss, a formidable elite that encapsulates itself in crystal armor during phase two, forcing a dynamic, multi-phase battle. Martin, now equipped with his Control Devil's Shield and Hermit's Bulwark Cuirass, uses his Bulwark Rush and Aegis Tumble skills, along with his shield's unique tether mechanic, to control the boss's movements and create openings. Chaosgraphy exploits these vulnerabilities with devastating critical strikes from her twin swords, while NukEncore and Kill Clause manage mobs and break the boss's crystal armor with targeted attacks, showcasing powerful team synergy. The party triumphs, and Martin is rewarded with a rare Baby Trident. Crucially, the dungeon's rules change: it now allows leveling and drops random loot, signifying a permanent shift in progression. After the victory, Martin finds himself holding NukEncore, a moment of dangerous comfort that hints at burgeoning romantic tension. As they inspect their purple-grade loot, Martin's new gear, like the "One Man Wall" passive, clearly pushes him towards a solo playstyle. In a pivotal character moment, he cancels his bet with Chaosgraphy, declaring he didn't start the game to be a solo player, prioritizing his desire for connection and teamwork over individual glory. Chaosgraphy accepts his friendship, and NukEncore is invited to join their core party, solidifying their group. The chapter ends with Cassandra (Kill Clause) planning to join their next run, and NukEncore's unique, UI-less mana channeling being recognized by Rangar as a powerful talent, especially when paired with Martin, hinting at deeper connections and challenges to come.