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.
science drug to save Ruri 
so she can live a good life.
.الشافي لكل مرض لإنقاذ روري كي تعيش حياة جيّدة
para salvar a Ruri
y que tenga una buena vida.
para salvar a Ruri
y que viva una buena vida.
de um remédio da ciência para salvar
a Ruri para que ela possa viver bem.