The Saki of the university student is cohabiting with the boyfriend who got to know in a circle. One day the boyfriend puzzled for the Saki "which I take out inside in the middle of SEX because you may become pregnant" refuses it. Talk about the Saki becoming uneasy with Tenchou of the part-time job to such a boyfriend. Was Tenchou guiding you kindly, but gradually make passion first; for Saki forcibly to Creampie SEX….