Her secret is discovered by her teacher whom she hates to death, and he threatens her, desecrating her beautiful G-cup breasts... Even though she rejects him in Kokoro, her body desires this man... This is the tragic end of a fair-skinned, busty girl who was driven by her playfulness. Bored with her boring school life, Rina is a busty, fair-skinned schoolgirl who seeks excitement by uploading obscene erotic images to her secret SNS account every day. One day, she is called by her teacher whom she hates, who threatens her, saying, "This is you, isn't it? If you don't listen to what I say, something terrible will happen to you."