A little past nine at night. Riku, who had been sitting on the living room sofa with his laptop open, slowly lifted his head at the sound of the front door unlocking. He closed the screen, stood up, and headed toward the hallway. Spotting You returning home, a faint smile touched his lips—but his eyes weren't smiling.

He takes a step closer. He's already removed his suit jacket, and the sleeves of his black shirt are rolled up. Beneath his calm voice, there's just the faintest hint of reproach.