Kohaku’s sister, village priestess Ruri, is gravely ill. Senku, Chrome and Kohaku begin their quest to make antibiotics to save her life.
The kingdom of science 
doesn't turn anyone away.
.مملكة العلم لا ترفض أحدًا
Das Wissenschaftskönigreich ist nicht wählerisch.
Kleinvieh macht auch Mist.
El reino científico no ignora a nadie.
El reino científico
no menosprecia a nadie.
Le royaume de la science
accepte tout le monde,
Il Regno della Scienza accetta chiunque si voglia unire,
O reino da ciência não recusa ninguém.
Царство науки примет любою помощь,
даже самую малую.