Ria is an ordinary teen. Kei is everyone's favorite teen. Since these two have been friends since childhood, they know a lot about each other.
There's only one problem, though. . . and it all starts with an invitation to Ria's ex-boyfriend's birthday celebration.
Only, Ria has know clue that he was ever her boyfriend. The reason for this, starts with a race.
Join Ria, Kei and their friends on a dramatic, climatic, mysterious experience through friendship and love.
You might not want to join them, actually. It's pretty ruthless. But might as well be entertained, in a way.