"I love you, Kirei."
"I'm in love with you."
"So please don't betray me."
The original protagonist of this article, Morton Hillis (Belia) x Kotomine Kirei
All in all, it is a short story about a fallen angel pursuing Kotomine Kirei, an earthly agent who cannot understand love. It's not warm and sad, the ending is he, welcome to jump into the trap