His childhood friend, Aisa Takanishi, is one of the most popular and beautiful girls in his grade. Unlike when they were children, now, she was a distant presence. But, while Kouki thought that way, Aisa was….? When Kouki becomes the tutor for Manami, Aisa’s younger sister, the two began to make contact again. A romantic comedy about Aisa, the class idol who can’t be honest, and Kouki, who is scared of her cold attitude.