Murcielago manga volume 15 features story and art by Kana Yoshimura.

With two seemingly unrelated cases to deal with, the police have their work cut out for them. People are finding themselves bound and dangling from advertising balloons, and in another incident, a knife was thrown into the eye of a circus troupe member. Yet it seems as though all involved in both incidents have had their memories erased, and that can't be a mere coincidence...