Saito's sister is a very innocent angel and a devil! (Volume 1-2 full volume)

Publisher: Nippon Bungeisha
Author: Aoi Tanpan
Size: 128mm x 182mm
Number of books: 2
Language: Japanese
Category: Youth manga, manga
Latest release date: 2016-12-10

Synopsis:
Tomoya, the eldest son of the Saito family, and my sister Mio have a secret secret ... !! One day, my father remarried, and his child, Mao, lived together. Surprisingly, Mao looks like Mio and two melons. Brother x sister x sister -in -law's Lovely Diary, opening !!