The Sage of Six Paths had a younger brother named Otsutsuki Hamura.
Otsutsuki Hamura was the ancestor of all Byakugan users.
When the war ended.
Otsutsuki Hamura divided the Byakugan into two branches.
One branch followed him to the moon and retained the Otsutsuki surname.
The other branch remained on Earth and became the Hyuga.
"So the Hyuga Clan is actually the Branch Family of the Otsutsuki?"
Hyuga Sho asked.
In that case.
The Hyuga Clan's system of distinguishing between the Main Family and Branch Family was practically a joke.
Their Otsutsuki surname had already been stripped from them, yet they still had to forcibly divide themselves into a Main Family and Branch Family.
Still.
The fact that people actually lived on the moon.
Surprised Hyuga Sho somewhat.
"I was among the last to evacuate..."
The other party said.
"But something unexpected happened during the evacuation..."
"You were captured and locked inside the Box of Paradise."
Hyuga Sho's words made the corners of the other party's mouth twitch.
"Weren't you?"
He retorted.
"I came in of my own accord."
Hyuga Sho couldn't be bothered to put on airs with these failures.
"I'm here to find two people. One is named Mui, and the other is Tsunade."
Hyuga Sho described what they looked like.
"So where is this place? And do you know where those two are?"
"This is the only safe place."
The other party clearly didn't believe that Hyuga Sho had entered voluntarily.
"The world inside the box is divided into two layers. The place we're in now is the safe zone. As long as we unite our Mental Energy, we can preserve our sanity."
"You mean this is still the Mental World?" Hyuga Sho asked in disbelief.
"That's right."
The other party nodded.
"The ninjas here were all