Usagi Yojimbo: Yokai — Dark Horse Comics
Issue: #1
Yokai are the monsters, demons, and spirits of Japanese folklore, such as the shape-changing kitsune, the obakeneko demon cats, and the evil oni ogres. Usagi faces all these and more when a desperate woman begs for his help in finding her kidnapped husband. Tracing the abducted man to an old castle, Usagi finds the ruins haunted by creatures of Japanese legend and discovers that they are amassing...
First appearances: Nurikabe, Nure-onna
Creators: Diana Schutz, Diana Schutz, Cary Grazzini, Ryan Hill, Brendan Wright, Stan Sakai, Mike Richardson
Characters: Usagi Yojimbo, Sasuké the Demon Queller, Nurikabe, Nure-onna, Nue