Ribunusu (Volume 1-12 is the latest issue)

Publisher: Kodansha
Author: Hiroki Domoto
Size: 112mm x 174mm
Number of books: 12
Language: Japanese
Category: Youth manga, manga
Latest release date: 2018-10-09

Synopsis:
I don't need anything if I have a smile of my sister! Yes, Kasumi, the beloved sister Kasumi enrolled in Hanatori High School where Tetsu goes, is there! Tetsu, who has loved Kasumi as a "ideal sister", is not annoying every day! Study, diet support, new brassiere's new tone ... Great Struggle! Pure and love comedy opening!