The rules of Injima (1 volume in total)

Publisher: Bunkha
Author: Nantenyu
Size: 112mm x 174mm
Number of books: 1
Language: Japanese
Category: Shonen manga, manga
Latest publication date: 2013-02-28

Synopsis:
Ayaka chose a broken heart travel destination on the southern island, which is rumored on the Internet. The rich nature, the hotel owner Sarah Sarah, and his younger brother, Yusuki, healed the pain of broken heart. Ayaka witnesses a midara sight where men and women are freely fluttering in the "Festa" where people on the island gather, and she is also at the mercy of the mysterious pleasure festival ...!?!?!?!?!?!?