After hearing the story of how Nagato had recovered from his bizarre, high fever, Jiraiya became even more determined to bring the boy back with him.
"I already know about your condition, Nagato. There's a chance you might hold the key to curing this strange disease, and precisely because of that, you need to come back with me," Jiraiya said earnestly. "There's nothing here, and we don't even the faintest idea why you recovered. If we can figure out the reason, perhaps we can end this disaster all the sooner."
Nagato fell silent for even longer this time, but Konan spoke up. "I'm sorry, Teacher Jiraiya, but I cannot leave Yahiko behind."
Chapter 36