The Contract of Reincarnation: Thousand Years of Fire

There is a "thread of fate" in the world, and the bound people will meet each other in life after life, repeating similar choices and regrets until someone breaks the "closed loop of cause and effect"; during reincarnation, a few people will retain "fragmented memories" (such as familiar scenes, inexplicable heart palpitations, specific obsessions), and these fragments are the key to breaking the situation.