The New Wife Is Eighteen Years Old

At first she only knew that his name was Pei Yi, that he was thirty years old, handsome, and the eldest grandson of her grandmother's old friend. Later, she learned that the Pei family was a top wealthy family, that he had become one of the ten youngest billionaires in the world by his own ability, and that he was considered the most powerful businessman in the world because of the company he founded. The more he got to know Pei Yi, the more Shi Chu felt that it was impossible for him to like her. They are completely from two different worlds, and the gap between them is more than a million miles. [Overhead, the male and female protagonists are clean physically and mentally, and the ending is one-on-one]