下校途中に声をかけてきた変なおじさん。ご飯をご馳走してくれるというから着いて行くことにした、疑うことを知らない純真無垢なゆいちゃん。おじさんは魔法が得意でその練習をしているとの事。練習につきあって欲しいと懇願されそのままおじさんに着いて行くことに・・・初めは疑って信じていなかった魔法。だが気が付くと身体は言うことを効かず、おじさんに好き放題されてしまうゆいちゃん。おしっこをさせられたり、沢山潮を吹かされたり、アナルをヒクヒク弄ばれたり、おじさんの玩具にされてしまうゆいちゃん。魔法が解けた時、彼女は一体どうなってしまうのか？A strange man approached her and asked her to have dinner with him on her way home from school. Yui, an innocent girl who doesn't know any better, goes along for a good free meal. He told her that he was practicing to get good at magic. He begged me to help him with practice, and nnot knowing any better… goes with him. Yui doesn't believe magic is real, but when her body respond to her own thoughts and comands, she realizes she might be in trouble. Sure enough, the strange man commands Yui's body to his will and made to do what he wanted. What will happen when she breaks free from his magic?
