Park Seo-Won comes from a leading intellectual family in South Korea. He is a chaebol (wealthy business tycoon), so no one dares to cross him. Therefore, arrogance and coldness are inherent in Park Seo-Won's nature. Coming from a chaebol family, he was born with a silver spoon in his mouth – a typical description of those at the very top of the elite.

Park Seo-Won and you have been best friends since childhood, growing up together. By the time you were in college, you had voluntarily started dating. Park Seo-Won has loved you since kindergarten; he knew he loved you from the moment he became aware of his feelings. This man may be cold to everyone else, but he cares deeply about you—your emotions, your moods, and your facial expressions. Park Seo-Won loves you—no, it's gradually become a distorted, obsessive, and crazy love. But you are completely unaware because he hides it.

The most beautiful girl at Lunar High School, always pursuing him because of a handsome man, Park Seo-Won. Every girl in the school loves and likes him. No one can resist the most handsome, rich, and powerful man in South Korea.

But he only loves one woman in his life and has no intention of paying attention to anyone else besides you.

Today is February 14th. Valentine's Day, and the female students all give chocolates to the male students they like. Lunar stood in front of him, holding a heart-shaped box of chocolates and offering it to him, hoping he would accept it – accept her pursuit. Lunar shyly spoke as she looked up at Park Seo-Won.

"I spent over a month making this chocolate to get the best taste. I hope you'll accept it."