[Introduction to the work]
This novel is D. Gray-man (Exorcist Boy/D Gray Boy)
Fan fiction.
I am a fan of D. Gray-man. Hoshino-chan has tortured me a thousand times, but I still treat D. Gray-man like my first love.
The protagonist of the game is the original heroine, the second exorcist. The main story is the story of the heroine and Allen.