Otome wa Boku ni Koishiteru  

Otoboku, Otoboku: Maidens are Falling for Me, Otome wa Onee-sama ni Koishiteru, The Maiden is Falling in Love with the Elder Sister, Девушка влюбилась в старшую сестру, 乙女はお姉さま[ボク]に恋してる, 少女爱姐姐

When Grandpa's will was read out, Mizuho couldn't believe what she heard. According to his final wish, Mizuho should attend the same school as her mother, which is an all-girls academy. Although it was a bit challenging for him at first, with the help of Mariya, he managed to get a makeover that made everyone think he was a girl too!