Hiding in the sand, splitting into many places, starting with Arkham

In 'Hiding in the Sand, Splitting into Many Places, Starting with Arkham', follow Shimizu, an ordinary puppeteer in Sunagakure Village whose hobby is making puppets. When his peace is disturbed, he takes matters into his own hands, turning his adversaries into puppets. But why does his avatar end up as a patient in Arkham Asylum? Dive into this thrilling tale filled with mystery and suspense.