Dr. Stone Vol. 4

<b>Imagine waking to a world where every last human has been mysteriously turned to stone...</b> <p/>One fateful day all of humanity turned to stone. Many millennia later Taiju frees himself from the petrification and finds himself surrounded by statues. The situation looks grim--until he runs into his science-loving friend Senku! Together they plan to restart civilization with the power of science! <p/>Senku and friends continue their quest to procure a sulfa drug panacea for Ruri the village shamaness who is gravely ill! The toughest ingredient to obtain is sulfuric acid the search for which will lead them on a death-defying journey! Meanwhile the Grand Bout Martial Arts Tournament approaches with the chief's throne offered as a prize to the winner!