Rio is an investigator who infiltrates the enemy's hideout to avenge his father's death. - However, while he is captured and cannot move, he is subjected to merciless sexual violence from the demons. - ``I can't do it anymore...'' His pride, which had been burning with revenge, crumbles with a loud noise, and he himself becomes a prisoner of sexual pleasure. - "Daddy...I'm sorry..." Although she bursts into tears in frustration at not being able to complete the task, her body reacts honestly and accepts the insertion by sucking several cocks...