This is a fictitious fanfic, the main character is Black Flower, and he has his own protagonist, so don't enter with caution. Life is too long, it has advantages and disadvantages. Immortal people always have many stories in one life. Your own story, someone else's story, or live your life as someone else's story. I am lucky enough to meet you. In this life, there are still some things worth remembering and feelings worth cherishing. Heixiazi and Yuchen are entangled in their lives, destined to make their love run cold. Two parallel lines that should not intersect become entangled and form a dead knot.