Sumi Sakurasawa's in some real hot water. The perpetually shy young woman's about to lose her new Rent-A- Girlfriend job because of low customer satisfaction! Fortunately, her friend, Chizuru Mizuhara, might have the solution. She knows someone Sumi can rehearse with to get over her dating dilemmas. And who should that person be, but mister clueless himself, Kazuya! Will Sumi be able to overcome her social anxiety and keep her job?