[Light novel] Please choose a good marriage partner. Death divides the two (one book)

Publisher: KADOKAWA/AMW
Author: Similar bird
Size: 105mm x 148mm
Number of books: 1
Language: Japanese
Category: Light novel
Latest publication date: 2023-11-25

Synopsis:
Detective as a heresy folk scholar -Mitsuhiko Sakurakoji appeared!

An unusual will left by the founder of the Kaido Zaibatsu, Ukon.
It was to hand over all the property to Miyuki, who had been treated unreasonably, despite the relationship with the family.
The condition is to marry with the three brothers of the Kaido family within one month.
That was the beginning of the tragedy.
One night, the second son, Tsukiya, who claims to be a marriage partner, is died as a legendary legend of the family, and Miyuki is inherited in inheritance.
Mitsuhiko Sakurakoji, a heretical folk scholar and a detective folk scholar, challenges the mystery of serial murder.