When Shisui Uchiha arrived at Orochimaru's steel laboratory with Kaguya Kimimaro and Oguri Hayashi, the combination of iron walls and curse marks around the lab truly stunned him.
What kind of place was this? Why was it even more heavily guarded than Konoha's Anbu?
Konoha's Anbu was already one of the most tightly guarded places in the world. In corridors lined with curse marks, ordinary people could not even find the entrance, let alone walk inside.
But this place was even more secure than Konoha's Anbu.
"What is this place?" Shisui Uchiha asked curiously.
"A barrier that lets people in but not out." Oguri Hayashi began forming hand seals. These seals were like a password; without the correct sequence, ordinary people could not even open the door.
After Oguri Hayashi completed twenty-eight hand seals, the metal doors slowly opened to either side, welcoming their master inside.
"Lin, you're here?" Someone came out from within to greet them as Oguri Hayashi and Shisui Uchiha entered.
The man was pale, around thirty, and very handsome. Dressed in a white lab coat, he looked relaxed and nothing like an ordinary ninja. Behind him followed an ordinary person with white irises and black sclera.
He approached with a gentle smile. "And this person beside you is?"
"Hiruko." Oguri Hayashi greeted him with an easy smile.
Orochimaru needed to oversee the northern front, so he naturally could not, like Jiraiya, hand everything over to Minato and slip away to the Land of Rain to teach the Akatsuki Organization.
But Wuying, who was doing everything he could for his future freedom, finally thought of a top-tier talent capable of replacing Orochimaru in scientific research and development.
That person was Hiruko, who would later become a rogue ninja and develop Bloodline Limit transplantation, though he was not