This is Who I am.

In the heart of Seoul's opulent district of Gangnam, within a mansion that whispered of old money and ancient secrets, Ryu Won, now known as Ji-hoon, prepared to host a meeting that would alter the course of their guardianship. The mansion, a blend of traditional Korean architecture and modern luxury, stood as a testament to Ji-hoon's legacy as a guardian and as a scion of a powerful lineage.

Eun Ae, whose name in the bustling streets of Korea was Min-ji, arrived under the cover of dusk. Her steps were silent, her presence a comforting constant in Ji-hoon's life of turmoil and battle. Together, they awaited the arrival of their enigmatic ally, Kairos, who had chosen the Korean name Seo-joon.

Seo-joon, known to the realms as Kairos and to the streets of Seoul as Seo-joon, nodded in agreement with Ji-hoon's strategy. "Hyun-woo, despite his control over the shadows, is still bound by his human desires and ambitions. We can use this to our advantage."

Min-ji, her warrior spirit ever present, added, "We must act swiftly. Hyun-woo's influence grows by the day, and with each passing moment, he entwines his dark power further into the fabric of our society."

The guardians knew that their next steps would be crucial. They needed to confront Hyun-woo, to peel back the layers of shadow he had wrapped around himself, and to reveal the truth of his intentions. It was a dangerous plan, for it involved not just a battle of powers, but a clash of wills and legacies.

As dawn approached, the meeting drew to a close. Seo-joon stood, their figure casting a long shadow in the light of the rising sun. "I will return to the temporal streams and seek guidance from the echoes of the past. We will find the key to Hyun-woo's undoing."

Ji-hoon and Min-ji watched as Seo-joon departed, the air around them shimmering with the residue of temporal energy. They turned to each other, a silent understanding passing between them. The battle ahead would be one of their greatest challenges yet.

In the days that followed, Ji-hoon used his mansion's resources to gather intelligence on Hyun-woo. The mansion, a grand structure in the heart of Gangnam, became a center of operations. Its walls, lined with ancient texts and modern surveillance equipment, held the secrets to many strategies and plans.

Min-ji trained relentlessly, her swordplay a dance of deadly grace. She knew that when they faced Hyun-woo, her blade would need to be swift and true. Ji-hoon, with the Soulstone's guidance, honed his new ability, Soul Resonance, to sense the truth behind Hyun-woo's actions.

The guardians' preparation was meticulous, their determination unwavering. They were the defenders of balance, the protectors of both the realms and the bustling city of Seoul.

As the confrontation drew near, the air seemed to crackle with anticipation. The guardians stood ready, their powers a testament to their duty and their courage a beacon in the darkness.

The guardians of Seoul would face Hyun-woo, and in doing so, they would face the very essence of the darkness within themselves. But they would not falter, for they were the light that would pierce the shadows, the hope that would dispel the night.