Mitsuko, a frugal and poor college student, one day finds herself invited to a love hotel by her friend Nakano after they go out for a meal. Despite resisting the idea of having sex with a friend, Mitsuko is persuaded by Nakano and ends up being embraced for 30,000 yen! Furthermore, Mitsuko begins to have "money and body relationships" with other friends as well...!? Who will support her? The thrilling campus life begins!