Fuguno Masuo is a helpless 24-year-old businessman who is unlucky in love, He's never even had a girlfriend! After consulting a fortune teller, Masuo believes he'll never have a chance in love. All that...

Sayuri is ordinary in every way, while her love interest, Yoriko, is a refined lady who seems to be completely lacking in common sense. Now that they're a couple, their antics ensue.

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...