【Mito Tsuruyama】Surprise-fu cup!

The protagonist, Nao, and her neighbor, Miho, are like a teacher and a student who often ask each other to help them study. One day, Nao arrives at Miho’s house first, and comes up with an idea to hide under her desk and pull a surprise on her. What will the serious Miho sister think? What awaits the excited Nao is an unexpected turn of events! As soon as Miho comes back to her room, she thinks no one is home and starts masturbating by herself. The shy sister’s naughty secret… Mito Tsuruyama, a talented author, presents an exciting H with grated brush!