From Freed Wings:

The energetic Kiri who’s in the cheerleading squad knows that Tanizawa from the baseball club hates cheerleaders. To get his approval, Kiri decides to accept Tanizawa’s challenge - at the next baseball match, Kiri has to do a back flip! Also, the Kiri that just became Tanizawa’s exclusive cheerleader is starting to have different feelings towards him…

A series of oneshots, including Best Friend!, Lucky Etc., and Love in Full Bloom!