Shina Sora is a cheerful and innocent girl. When a large number of abnormally hard cocks are prepared for the orgy shoot, Shiina is surprised and decides to call her friends to satisfy her sexual needs. The friends are called without being told anything, and one by one they are inseminated with raw meat rods. While apologizing to her friend who is panicking with an innocent smile, the friend keeps shifting the point of the meat rod by saying, "The big tits will be coming in five minutes." What will become of Shiina who continues to run away from sex...?