Love Apartment: the Sword Fairy Prince

He was originally an ordinary person, but he was always time-traveled. In the first life, he was a person with an IQ comparable to Leonardo da Vinci, in the second life, he was a Daluo Jinxian in the fairy world, and in the third life, he was a musical monster who became popular in the entire universe. What unexpected things should happen in the fourth life? This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.