She has experienced three lives in her past life, and traveled to the world of animation. She has the supreme power of Antediluvian among vampires, but she is hated by the person she likes because she is her most trusted friend. She learned to hide herself and freeze her originally kind heart, but accidentally opened her heart to another person. The two people she liked both liked the same girl. She wanted to be jealous and angry, but she couldn't help the girl's love for her and her friendship with her.
Just when she thought she was about to spend her life in sorrow, an accident brought her back to the world of tutoring. Then, she met Sawada Tsunayoshi, the man who changed her destiny.
She is night, no matter what kind of night, she will get her own light...