Kiss and White Lily for My Dearest Girl Vol. 4 (manga)

The track team is headed to Regionals and it is Mizuki's last chance to qualify for Nationals before she and Moe graduate. But with the pressure of the race on her shoulders, Mizuki can't seem to concentrate on running, forcing Moe to suggest [she] take a break... from Moe! Meanwhile, an old classmate of Yurine's resurfaces and has her sights set on the 'cool girl genius'-- can she manage to sway Yurine's affections?