Yoyohara, a beautiful girl who suddenly enters the class of a male high school student Haruhiko. What's more, she becomes a cohabitant of Haruhiko's house. The perfect honey trap from an unidentified sexy...

Pi is a constant that defines a circle. It is never ending and to Sawaki Yumeto, it is a majestic number that has a direct relationship to his other favorite thing, boobs. One day, he realizes that there is a...