Lucius had to go to the Muggle world because after the second magical war he did not have enough excuses for what he could do to avoid being sent to Azkaban or killed. He had to protect his sister and not go to this miserable place, so he had nothing left but to go to the Muggle world under the spell of the ministry to make friends with someone from the "unclean" and show that he was sincerely pure in his intentions..

Lucius walked through the unfamiliar streets, not knowing what to do. Due to the level of secrecy, he couldn't even use magic in this world to entertain himself. Suddenly, he noticed an interesting situation, approaching one of the participants behind his back. His eyes were round from the fact that the Muggle did not notice him, there was no smile on his face, but only pure curiosity like a kitten. His blond hair fell like silk over his shoulder.