Osananajimi no Imouto no Kateikyoushi wo Hajimetara Soen Datta Osananajimi ga Kowai

His childhood friend Takanishi Aisa is a popular beautiful girl even when the two were in school. It’s not a surprise that they now are estranged. But, Aisa have only had eyes for Kouki…? As Aisa’s younger sister Minami’s home tutor, the two once again come into contact. It’s a romantic comedy about