Tantei Opera Milky Holmes

Sherlock, Nero, Hercule, and Cordelia are celebrated pupils at Holmes Detective Academy, using supernatural Toys to solve cases. During a stormy confrontation with the Phantom Thief Empire, they lose those abilities and abruptly fall from favor.

Confined to a cramped attic room, the girls must prove they still deserve their places at the academy. Efforts to recover their powers and resume detective work become a succession of comic disasters as they struggle to rescue their futures.