Yukari Nejima is a Japanese high school boy who lives in a society where the government assigns his life partner via Yukari Marriages. The episode opens with Nejima staring at his long time crush Misaki Takasaki. A flashback reveals Nejima and Misaki were desk partners in elementary school. One day Nejima notices Misaki's eraser is almost gone. After trying to build up courage all day, he offers half of his eraser during their last period which she gratefully accepts...