Yuki, a student preparing for university entrance exams, was worried about his struggling grades. The reason for his grades was that the world history teacher changed to Airi this spring. She has a beautiful appearance and is good at talking, and he can't concentrate on his studies because he is captivated by her. It seemed that Airi-sensei was also worried that my struggling grades were her fault. One day, a friend recommended a wife-service as a way to change his mood. He opened the site thinking he would only try it once, but there was a beautiful woman named Ai who looked just like Airi-sensei. Doubting that it could be her, Yuki still nominated Ai...
