Kuon no Kizuna -THE ORIGIN- First Press Limited Edition - Special Package by Xuse - Adult Sex Game

The protagonist of this novel is Mikado Takeru. He is an ordinary Japanese schoolguy. He is in the second grade of high school. Lives with his cousin with her daughter. There is always some kind of devilry going on around him. For example, he sees how demons attack people. Mayo, his classmate who is fond of the occult, will help him get out of this nightmare.