Zettai ★ Imouto Genri Shugi!! 絶対★妹原理主義!! Last update from vndb at 2015-09-06 Release date: 2010-10-29 Original language: Brand(s): Nounai Kanojo Walkthrough http://seiya-saiga.com/game/noukano/zetuimogen.html Website(s) http://www.noukano.com/zetuimogen/index.htm
