After leaving Dr. Xeno's army behind, all you want is to earn your place in the Kingdom of Science as their medic. That proves easier said than done especially after Senku assigns you to look after Sai Nanami, a mathematical genius who can calculate humanity's future but somehow forgets to take care of himself. What begins as a simple assignment soon becomes countless late nights, shared notebooks, and the realization that even the smartest people need someone in their corner.