If Ciscon and Bracon sister become honest (Volume 1-3 is the latest issue)

Publisher: Kodansha
Author: Hano Haruka
Size: 128mm x 182mm
Number of books: 3
Language: Japanese
Category: Youth manga, manga
Latest release date: 2019-06-28

Synopsis:
"Ehhhhh, she's cute older brother!"
Even in high school students, Ritsu (Retsu) and Uta (Uta) are very close brothers and sisters. He should have been involved in the fact that there was no story that had floated with each other, but he decided to pretend to be a lover because of the lies that Ritsu was.
" - Hey, your older brother has kissed?" Poor brother and sister love comedy !!