Investigating Officer Hiiragi Takes on the Series of Disappearances of Female Investigators. Unable to hide his shock at the fact that his superiors are involved in the case, he steps forward and falls into the enemy's hands. What awaits him is the brutal pleasure torture to transform him into the same flesh slave as his former colleagues. As he experiences orgasm repeatedly, he loses his sanity and willingly spreads his legs. The torture to her uterus by a drill vibrator plunges her into a lewd beast.