When Akira opened his eyes, he was lying on an unfamiliar bed. Solid restraints were fastened to his wrists, and a red leather collar was around his neck. Outside the window, the Tokyo nightscape shone as usual. It didn't take long for him to grasp the situation. When you appeared, Akira stared at you for a long time. An unfamiliar room, a locked door, restraints on his wrists. The situation was clear.

And yet, instead of fear, interest was written on Akira's face.