Adrian arrived at Oresfall to find a crumbling mansion, a disloyal butler, and a maid who dared to slap his daughter. His rage ignited as he saw the soulless emptiness in Aria's eyes. He fired the entire staff, used his Daddy's Spanking skill to force the butler to confess every secret, and punched a corrupt guard so hard that the man died instantly. It was his first kill, and his hands shook. But Aria, the girl who had been hated by the world in her past life, reached out and grabbed his hand. She asked him to take her to bed, and for the first time in decades, someone had stood up for her. That night, while Adrian slept, Aria secretly wrote a high-level mana breathing technique for him, using stolen mana crystals. She had decided that this second chance was real, and she would do whatever it took to protect her father.

Adrian transformed the goblin dungeon into a gacha wheel that produced iron and steel ingots. The townsfolk prayed to the Goddess of Prosperity, and the dungeon changed, becoming a safe, profitable resource. Word spread, and the population of Oresfall exploded from two hundred to over two thousand. Merchants and gangs tried to exploit the boom, but Adrian countered with clever tax laws and a deal with Viscount Alexander for food and soldiers. He also created a top-tier knight training manual using his dungeon system and began building a personal army. Claire, the daughter of a neighboring baron, became his first knight, and she began training both his soldiers and his daughter. Aria, despite her young age, threw herself into the physical training with a determination that shocked everyone. She had decided that she would not be a victim in this life.

The Count of the neighboring territory sent a rogue mercenary group to destroy Oresfall. Adrian rushed back from a supply run to find his town in ruins and his soldiers decimated. He executed the captured leaders and used the crisis to implement a new class system and a mandatory military training program. He also began experimenting with a hybrid mage-knight training manual, using his system to combine a stolen high-level breathing technique with knight manuals. The result was a manual that allowed mages to channel mana into their physical bodies, breaking the power scaling of the world. He tested it on himself, enduring excruciating pain as his mana veins were forcibly connected to his arteries. The process worked, and he became the first mage-knight hybrid. With this new power, he led his elite unit into war against the Kingdom of Avarice, using a combination of custom-made guns and illusion magic to decimate enemy forces.

After the war, Adrian returned to find that his reputation had grown immensely. A Duke offered his genius daughter, Serena, to Adrian for training and protection, and a Marquis offered a military alliance. But Adrian also discovered that Count Frankenstein and his ex-wife, Marchioness Vaneira, had hired an assassin guild to kill him. Using his new hybrid soldiers and Aria's hidden illusion magic, Adrian captured the entire assassin guild and forced them into a soul contract, turning them into his personal covert unit. Meanwhile, the Kingdom of Avarice revealed that they had a Hero who could mass-produce knights with a touch. Adrian realized that his enemies were far more dangerous than he had anticipated. He began stockpiling resources, training his elite unit in gun tactics, and preparing for the inevitable confrontation. Aria, now a fourth-circle mage, begged to join him on the battlefield, but Adrian refused, determined to keep his little angel safe at all costs.