Brothers／Sisters (S01E03)

In 1995, the Doujima Family targets Edgar's younger sister, who holds the official seal required for selling his property. As this unfolds, Yumi heads to Osaka to find her long-lost older sister. The conflict over Edgar's seal intensifies. Fast forward to 2005, Aiko vanishes, leaving her daughter Haruka alone. Kiryu and Yumi take it upon themselves to safeguard Haruka, but they quickly stumble upon a surprising revelation.