I am in trouble because the boy Psycho wants to kill me (Volume 1-3 is the latest issue)

Publisher: Core Mix
Author: NAKEDAPE
Size: 128mm x 182mm
Number of books: 3
Language: Japanese
Category: Youth manga, manga
Latest release date: 2024-02-20

Synopsis:
Rei Amaba, who became a child of one of Japan's leading Zaibatsu, Jinjin, due to her mother's remarriage.
However, the back business that the Jinjin was responsible for was a "killer"!?
As a brother -in -law, I am a psychopath who enjoys murder freely like eating her favorite food.
Rei and her sister's Sarasa will be his target at once.
NAKED APE's latest work! I want to kill because I love you.
A psychic brother -in -law, violence love (??) story.