The series "Ryu, the Cave Boy" (also titled "Genshi Shonen Ryu") centers on Ryu, a white-skinned boy abandoned by his tribe and reared by a female ape named Kitty. After Kitty’s death at the claws of Chirano, a Tyrannosaurus, Ryu quests to locate his biological mother while confronting prehistoric dangers. He travels alongside siblings Ran and Don, encountering tribes and figures like Taka and Kiba throughout his journey. No character named Kalim exists within this narrative.