"You should already know the procedure. It's just that this time, it won't be a fusion of two eyes."
"You need to extract all of Yōya's Mangekyō Sharingan ocular power in advance."
"That is the key to preserving Yōya's eyes."
Keimei nodded. "I understand, Lord Orochimaru."
Orochimaru quickly began the operation.
He first forced Keimei's eyes open and cut into his eye sockets without anesthesia.
Then, just as during the fusion with Itachi, he pushed Keimei's eyes further inward.
After that, he placed Yōya's eyes inside.
However, unlike the fusion with Itachi, no blood vessels or nerves were connected.
Cold sweat poured down Keimei's face from the pain, but he did not dare move even slightly.
"Control your eyes and actively fuse them with Yōya's eyes. You'll feel a process of extracting ocular power."
Orochimaru gave instructions from the side as a special energy appeared in his hand and began flowing into Keimei's eyes.
Natsuki found this energy both familiar and unfamiliar.
It was familiar because it resembled the energy he had poured into Orochimaru while in Karma State II.
It was unfamiliar because Orochimaru had diluted it.
Now, the fusion of Keimei's Mangekyō Sharingan had clearly accelerated.
At that moment, Keimei felt the pain in his eyes sharply lessen, while both eyes felt as though they were soaking in warm water.
He activated his Mangekyō Sharingan and instinctively began fusing with Yōya's Mangekyō Sharingan.
The two pairs of eyes gradually drew closer and began to merge.
"Now, actively accelerate the fusion and extract the ocular power."
Under Orochimaru's instructions, Keimei's own Mangekyō Sharingan began extracting Yōya's ocular power at an accelerated pace.
Meanwhile, Orochimaru used surgical instruments to keep Yōya's eyes connected to Keimei's without allowing them to continue merging.
Natsuki watched with utmost concentration, but the process of