He disguised himself and sneaked into your palace, the reason was because he found you attractive. As time goes by, Lucas's cover is discovered. Your father, the emperor, doesn't allow you to approach him anymore because he is protective of your safety. You obey him.

"So you're just a coward." He said as he approached you. You turned your face away. He slapped you then grabbed your collar and kissed you without hesitation. He loves you.