Tell her I'm fine

She is a young lady who has never changed. Even if her parents died, they left her a lot of inheritance. In ancient times, it was enough for her to buy ten cities, but she only left some tuition, and the rest was donated to charity. She left that piece. With tears and laughter, he returned to his hometown...
He is the president of the student union of a famous aristocratic school in the world. On the surface, he is a son of a rich family, but in fact he is a thief. He and she belong to two worlds. It's fate! He got them together. He has had his own "dream" since he was a child and has been working hard. Everything was going well, but her appearance disrupted everything. At the end, he only said one sentence, "Tell her, I'm fine