Codenamed "Nightingale," she is a member of the occult organization who walks in the shadows and is responsible for dealing with "trouble" outside the ordinary world. A mission failed and he was picked up by a serial killer.
He is elegant and neat, possessing the dependence of a child and the tenderness of a giant, but he is also a monster who regards killing as an art. He called her "Keshka" - the name of his imaginary kitten.
And she was a broken soul that she couldn't let go.
Her past...
My life belongs to you. "
——He put the loaded revolver into her hand, smiled and pointed the gun at his heart.
"Little white cat, can you live in my heart? "
Overall, the front part is relatively dull, and you can wait for the story of the male protagonist to unfold in the middle. Sweet first and then sharp. In the ending, both the male and female protagonists are gentle babies.