Dr. Stone: Ryusui is a special anime episode that takes place between the events of Dr. Stone: Stone Wars and Dr. Stone: New World. The story introduces Ryusui Nanami, a highly skilled navigator who once controlled a large shipping company before humanity was turned to stone.
After being revived by Senku and the Kingdom of Science, Ryusui joins their mission to explore the world and search for resources across the ocean. With his exceptional sailing and navigation abilities, he becomes a key member in building and operating the ship Perseus.
The special episode focuses on Ryusui’s personality, his ambition for wealth and adventure, and how he helps the team prepare for their next big journey across the sea. It acts as an important bridge that connects the story from Season 2 to the events of Season 3.
