I'm the second girlfriend. (Volume 1 latest issue)

Publisher: KADOKAWA/AMW
Author: Niko, Yo Saijo, RE Mt.
Size: 128mm x 182mm
Number of books: 1
Language: Japanese
Category: Youth manga, manga
Latest publication date: 2023-07-27

Synopsis:
The relationship that started dating with each other with each other gradually became unhealthy!?

"I also like Kirishima -kun second."

I and Hayasaka are dating each other in the second place, even though they have the most favorite people.
Still, I and Hayasaka are certainly lovers.
Go home together, meet secretly, and do something that people can't say.
But the second is still the second, so if you get the most favorite person, this relationship will be resolved.
I had such a promise.
It was supposed to be---

"I'm sorry. I'm stupid, so I like it more and more."

Even though we approached each other's favorite people, we still stuck in depth
I couldn't stop, so I couldn't let go of each other ...
The end of a 100%dangerous, impure, unhealthy, twisted love ending that is irreparable anymore ...!?