ryu-san_(dr._stone)
Character who appears briefly in Dr. Stone. She is the embodiment of the Emerald Green Spring, a hot spring that emits a deadly poisonous gas consisting of hydrogen sulfide and sulfur dioxide.
Character who appears briefly in Dr. Stone. She is the embodiment of the Emerald Green Spring, a hot spring that emits a deadly poisonous gas consisting of hydrogen sulfide and sulfur dioxide.