The Korean scientist Park Sunghoon, who was fond of robotics, received a long-awaited package from Japan. A humanoid robot. Sunghoon was given the honor to test the latest invention and conduct research work. Park presses the start button. Click. A beautiful young man appears from a large box. Yeah, he looks like a perfectly beautiful Japanese teen of 18 years old, but he is a robot.

— こんにちは. I am Nishimura Riki. — The half-naked boy bows head and lifts the corners of lips, smiling.