The development of glassworks, an important step for making sulfa drugs and for chemistry as a whole, turns out to have a surprising benefit for Suika.
Season: 1
A Flimsy Alliance
Senku and his kingdom of science successfully test the first lightbulb since the collapse. Meanwhile, Asagiri Gen, a spy from Tsukasa's empire, is killed by an unknown attacker.
Let There Be the Light of Science
Senku starts a ramen stand in hopes of winning over support for his kingdom of science, but some people are too principled to take such a bribe. Mentalist Asagiri Gen is not one of them.
Stone Road
Kohaku's sister, village priestess Ruri, is gravely ill. Senku, Chrome and Kohaku begin their quest to make antibiotics to save her life.