The story starts off with a bunch of high school students, taking the dare to go up to this abandoned building that has been half destroyed by a fire. It was rumoured to be haunted. Just a rumour, right? Not...

As a baby Jiro was delivered to his foster parents by a massive oni, who said he would return for Jiro in 15 years. When the time comes Jiro must contend with enemy oni, dark cultists, and their minions whil...