JoJo's Bizarre Adventure: Shining Diamond's Demonic Heartbreak, Vol. 1 by Kohei Kadono

The first manga spinoff of JoJo’s Bizarre Adventure!

Ten years have passed since DIO was defeated by Jotaro Kujo, but his presence lingers among his former followers, including gunslinger Hol Horse. When Hol Horse accepts a request from an elderly woman to find her lost parrot—trained by the owner of the falcon Pet Shop—he finds himself trekking haflway across the globe to the Japanese city of Morioh.

Hol Horse is entrusted with finding a missing parrot and takes Boingo to Morioh. In the unfamiliar town, Hol Horse is haunted by a sudden vision of DIO and nearly struck by a car barreling down the street, but is saved from danger by another Stand user—a young man with a pompadour and a school uniform...