I am a killer with a cold-blooded instinct and no interest in anything. It was not until I met the two people who became my best friends that I completely changed. Killed by the world's top killer when I hesitated
The heroine travels to the world of the Prince of Tennis, but she has no knowledge of the princes in this world and does not know the development of the plot.
The encounter between a female Hyouka student during the day and a cold-blooded killer at night and the cold-faced general known as Sanada Genichiro
The heroine's previous life was sad, but in this life he gave her the feeling of home and happiness.