The mystery of the Saint Something Four continues to unravel, as our three heroes are once again called upon to save the world from Raindevila's wicked plans. Sleep monsters, time demons and evil fortunetellers are summoned one by one to wreak their havoc on the world. And as if that weren't enough, there are still all those cute soccer boys to be chased!

But in perhaps his cruelest move yet, Pluie launches an even more diabolical plot of his own, one that very well might drive a wedge between Momoko, Yuri and Hinagiku forever. Can the power of love prevail to save this precious friendship?