Alone in the household after his father’s distant reassignment, Yusuke begins to test the limits of his new stepmother’s trust. Lingering resentment from his childhood shapes every interaction, prompting him to observe her closely and sow quiet doubt. Subtle tensions build between them as he weighs his next moves, leaving her unaware of the motives behind his guarded demeanor. The episode follows these early encounters and the quiet power struggle taking shape.