This relationship is legal! (Volume 1-2 is the latest issue)

Publisher: Kodansha
Author: Akachi Hiro
Size: 128mm x 182mm
Number of books: 2
Language: Japanese
Category: Youth manga, manga
Latest publication date: 2024-03-08

Synopsis:
Kota, a sister who loves her sister, Kyouju.
I decided to live alone to leave my sister in the wake of going to college.
But one day, I picked up the first wet in front of the house ...!?!
In fact, the visuals like my sister are actually the same year!
I'm a sister but not my sister!? The secret living life starts!