Zettai Meikyuu Grimm ~Nanatsu no Kagi to Rakuen no Otome~ Labyrinth Of Grimm (Karin Entertainment) by Karin Entertainment #1223401
Mangaka: Karin Entertainment, Uploaded by bluemist on Aug 10, 2012,
Mangaka: Karin Entertainment, Uploaded by bluemist on Aug 10, 2012,