Watashitachi wa Moto Joshi desu

Watashitachi wa Moto Joshi desu summary: Rinko Mino, a first-year high school student, is a female manager of the volleyball club. She fell in love with her senior Yuki in the same club, worked hard at club activities, and she had a normal and enjoyable life. When she woke up one morning... She was a boy!? What will happen to the youth of Rinko, a girl who suddenly became the opposite sex!!?