Nene and Kou want to learn more about their mysterious friend,Hanako-kun-and what better way to do that than school mystery number five, The4:00 P.M. Bookstacks! The rumors say that a secret door in the library leads theway to a supernaturally special collection. The Bookstacks know everything abouteveryone who's ever attended Kamome Academy-past, present, AND future! Butwhatever you do, don't read the red books...or your future will be drenched inblood!