Ryusui Nanami

Ryusui Nanami (七なな海み 龍りゅう水すい, Nanami Ryūsui) is the son of the patriarch of the Nanami Conglomerate and a major player in the Kingdom of Science, along with his devoted butler Francois. He was revived by Senku for his expertise in sailing in order to captain the Perseus to the source of the Petrification. His skills at navigating by sea or air makes him indispensable as one of the Five Wise Commanders. He is also a member of the Crafting and Development Team. Ryusui is a fairly tall, muscular young man with shaggy blond hair, some strands of which fall loosely into his face. He has thick eyebrows that are distinctively shaped like arrows, and he holds an intense glare in his eyes, most often seen when expressing things that he desires to have. He's also very rarely seen without a confident smile. Ryusui was the Heir to the Nanami Conglomerate, and accomplished sailor. As such, he lived a wealthy and lavish lifestyle. Pre-Stone World, he was seen as a greedy playboy, rarely seen without the company of beautiful women, exotic sports cars, and excessive partying. Minami was resistant to the idea of reviving him, stating that despite his expertise in ship sailing (of which he is the most skilled), his personality was akin to that of a spoiled, pampered rich boy who ordered others to do his bidding. While initial impressions of Ryusui seem to match this description, as he demanded worship and proclaimed himself the leader of the new world. In reality, while he is arrogant and greedy, it was his greed that fueled his ambition, which was the cause of his great success pre-Stone World. He spent a great deal of time studying, and was active in ship making from making small models to building huge ships. The money he earned, he put toward bettering himself and the company. Senku deduced that his presence would be beneficial to the Kingdom of Science as his greed does not only apply to himself but to those around him. He pushes and motivates everyone.

Though a party animal and playboy, Ryusui considers all women to be beautiful. While this seems like empty praise, he even calls the elderly and children beautiful, saying that people are all beautiful in their own way. He is seen mentioning that he “loves” and “desires” all people, including men. He even refuses to see a woman cry and his greed extends to ensuring they never cry again. Like Senku, Ryusui has the drive to rebuild society and make a world good for everyone to live in.