Uehara is a very beautiful female teacher with big breasts. Uehara was seduced by the extremely sexy body of his homeroom teacher. One day, he accidentally discovered that his teacher and another married teacher were secretly having an affair. Jealousy gradually arose, and he wanted to take possession of this sexy body! Thinking and doing, Uehara drugged and took Uehara into an empty room. He invaded the body he had always desired and recorded it. After waking up, Hikaru was helpless to let his student have his body. Not only that, Uehara also forced the teacher to witness the scene of his lover sucking the cocks of three students. Then he found a way to make the teacher quit his job. During this process, Uehara realized that she herself seemed to be changing. She wanted to enjoy sex more, be more proactive when having threesomes with her students...