18 Years old, she is a talented beauty in the computer department of West Point Military Academy in Kyoto. At the age of 20, he was an unknown wealthy man from the West Point Military Academy in Kyoto. She is a rebellious and flamboyant freshman with special talents, and he is an indifferent, strict and cold senior instructor. A battle over rules and systems, an unconscious heartbeat, a thrilling conspiracy, and young love eventually became a sacrifice for the grudges of wealthy families. She disappears heartbroken, and he leaves home. Five years later, we meet again in the old place. She is involved in billions of scandals, and he is a wealthy business upstart. Their personalities are so different. Can they continue their relationship? Can she, who is so public and crazy, marry into a feudal wealthy family with many rules?