A Good Librarian is Like a Good Shepherd, and at a prestigious academy known for its massive library, Kyotaro Kakei is the sole member of the schools Library Club. A bit of an introvert, Kyotaro has always been better with books than girls - until a mysterious email from the Shepherd hints that his fate is destined to change. After receiving the Shepherds message, Kyotaro is suddenly struck by a premonition that allows him to save a beautiful girl named Tsugumi. Shortly after their first meeting, Tsugumi announces her intentions to join the Library Club, and with Kyotaros help, make the school a happier, more interesting place for the students. It doesnt take long for a host of pretty girls to follow Tsugumis lead and join the club in the hopes of spicing up their boring academy lives. Behind everything they do, the Shepherd is there, ready to pull the strings. But who is this Shepherd really? Just another urban legend, or something much more magical?