I'm sorry my brother is a boyfriend. (Volume 1-4 full volume)

Publisher: Shueisha
Author: Yukari Hosobori
Size: 112mm x 174mm
Number of books: 4
Language: Japanese
Category: Girl manga, manga
Latest publication date: 2021-10-25

Synopsis:
A strong, cool and sexy sister -in -law and me ... a lover!?
Kazuichi became sheep and brother -in -law when she was young. I wanted to be recognized by the sheep and aimed for a "perfect brother" ...
After seeing the sheep being pushed down by a male friend, I couldn't be normal !!
Such a sheep told me, "Are you going to go out for a trial?"
Cool but a little disappointing brother x Guigui sister
Ikenai!?