An ordinary sibling's daily life. Their usual conversation. And their usual...? -

A pervert has laid his eyes on the voluptuous rich girl Mayu for a while. Now that the girl's mother is away, the sexual predator decides to make a move on the unsuspecting prey.

My name is Nojima Yuya. I currently studying for my tests to enter a good college.

Suddenly, my mom gets me a tutor, a beautiful young college student named Nishijima Kaho. This is unexpected but good. What is bad is that I so nervous and I keep getting...

"Anything wrong, Yuya?" "No, I... I just don't have any motivation to study!"

orz ... A bad start. I wonder what she thinks of me...?
___

"...I don't think that's the case."

Boy is turned into a girl

Boy is turned into a girl. Gets together with his friend