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

The track team is headed to Regionals, and it's 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 Mizuki take a break...from Moe! Meanwhile, an old classmate of Yurine's resurfaces and has her sights set of the "cool girl genuis" -- can she manage to sway Yurine's affections?