Female investigators who are violated one after another... Chiaki takes action to rescue his best friend Yukie. At the same time, tsujimaru aimed at Chiaki. Chiaki is a native lesbian and is a tough fighter with a body trained to reject a man. Tsujimaru was trying to make a cruel change to the woman. Does Chiaki take on the poison Fang of the terrible torture? Or can you rescue Yukie safely? Don't miss the end!