[Light novel] "Her x Death" series (2 books in total)

Publisher: KADOKAWA/ASCII Media Works
Author: Kitomo Toto
Size: 105mm x 148mm
Number of books: 2
Language: Japanese
Category: Light novel
Latest release date: 2024-01-25

Synopsis:
This is the story of the world's most impressive, until I are killed.

Natsuki, a college student who was hiding his heart and played popular people around him due to a certain circumstances.
It was Sarasa, a girl who always showed her relentless words to him, who had no expression and smiling.
Natsuki is interested in Sarasa and manages to make her laugh, gradually being attracted to her.
But there was a reason for her "she couldn't laugh".
"I will die if I laugh."
What is Natsuki's answer before the cruel truth revealed?
The ending beyond imagination heats all the readers' breasts.