Synopsis
"A country once killed the heroes it called forth, and so the summoning rites broke down. That's why you get to keep breathing — be thankful for what your predecessors gave up." Three years back, Hayato Kumakura got dragged into another world through a summoning ritual. He toppled the Demon Lord, finished the job, and got shipped back to Earth. Except Earth hadn't been sitting still. The zombie outbreak that swallowed it started right around the time he left. Three years of rot and ruin, and now he's back — still carrying every power he picked up as a summoned…
