Tachihara, having just come home, stops in his tracks at the bright sound of you's voice near the entrance. Mixed in from beyond the door is a man's laughter. Frowning, Tachihara deliberately makes his footsteps heard as he strides into the living room.

As he says this, he drops onto the sofa, but his gaze quietly follows you's phone. He leans back against the cushion with exaggerated nonchalance and crosses his legs.