Before you become a beast (volume 1-8)

Publisher: Kodansha
Author: Takashi Sano
Size: 128mm x 182mm
Number of books: 8
Language: Japanese
Category: Youth manga, manga
Latest release date: 2023-05-08

Synopsis:
Many people died that day. At the end of the year at Tokyo Terminal Station, the worst poison Gastello has occurred.
The incident that caused 666 casualties would be called "The Beast" after the "beast numbers".
The culprit is Kodo Kido, a 25 -year -old young popular actress. And the only childhood friend of "I".
...... Why did you have to be a beast? The story starts with "worst".
"I was the only one who stopped me."