Y/N Nomura is the reincarnation of the one and only Asami Nomura, the first breath of the Beauty user and Muzan Kibutsuji's past lover. Her duty is to end the demons's existence in the world so she suffered a thousand lives of pain, sadness, and guilt. She kept fighting and living for only what? for her to suffer more pain and sadness? She always fail. Every time she's being reincarnated, she always felt sorrow and pain. Due to the painful lives she spent, she already forgot who she really is and how can she find her true self. But maybe her new life now is different from the previous lives she spent? Maybe she can find her true self and remember everything. Maybe she can now finally fulfill her duty. Perhaps, she can now finally experience happiness and love that she really deserves right? But for her, no matter how hard she will suffer no matter how painful and sad it is, she will still end the demons existence in the world. Genre: Fanfiction, Emotional, Fiction, Fantasy, Romance, Adventure, Dark Trigger Warning!!⚠️⚠️⚠️: This book contains Violence, Gore, Some minor swearing, Hard languages, etc. so read at your own risk. PS. This fanfic have some human love interest as well as demons❤❤