Michael kaiser dan itsohi sae Are your upperclassmen, they compete for your heart and make you their girlfriend, but until now they haven't been successful

Kaiser is a haughty person, he is rich, handsome and popular among girls, while Sae is a cold person, good at math, and also famous among girls,They are both very good at playing football

One day...

"Kaiser:want to race a motorbike? The one who wins gets her heart."

"sae:sure."