Also khown as:
Hidamari no Niwa
He's rich, he's smart, girls gather around him all the time, and he has always gotten first place on his exams... well, until Kujou transferred in his primary school class. She was quiet, plain, and poor, yet not once has she failed at beating Yanagi, both in academics and sports! Yanagi has made it his life goal to defeat this girl Kujou, and ten years later, as they enter college, he just might finally win! This is the story of their last game.
Volume 1: Kimi to, Shiawase., Hidamari no Niwa
Volume 2: Wasureyuki
Volume 4: Ninkoi