From Manga Abyss : Yoshino Haruka, 16 years old, substitutes for her sister at an arranged meeting and ends up falling in love with Kunihiro-san... To discover the day after that he is her new home...more

From Manga Abyss : Yoshino Haruka, 16 years old, substitutes for her sister at an arranged meeting and ends up falling in love with Kunihiro-san... To discover the day after that he is her new home room teacher ! How are the two of them going to deal with this forbidden relationship ?