Salazar Slytherin: The most famous dark wizard, shrewd and rational, extremely deep in the city, unpredictable in strength, valued blood, and hated Muggles. He left Hogwarts in his later years, and no one knows where he went. Rowena Ravenclaw: The most beautiful and intelligent witch thousands of years ago, she was reserved, quiet, and as indifferent as water. She firmly believed that extraordinary wisdom is the greatest wealth of mankind. She died sadly and prematurely due to unknown reasons. Time is sealed and buried in the history books. Whose heart has been lost? As time goes by, he and she look back, unaware that they missed it thousands of years ago. The hopeless persistence is just because she is the perfect goddess, sitting high in the clouds. He is an elegant gentleman, only knowing to wait silently, letting the petals fall without brushing his sleeves. Thousands of years later, everything starts from scratch. Is it possible to stay together in another life?