[From the Great Khan's change in attitude before and after, you could basically be certain.]
[This was most likely your real eldest brother, who had vanished with Second Sister when you were eight!]
[Good heavens, the Great Khan of the Northern Territory was my real big brother?]
[How had I suddenly gone from a nobody to someone with backing?]
[This backbone of mine—heh, just try making it bend!]
[The Great Khan did not believe you just because of a few words.]
[He released you, but his oppressive aura remained fixed upon you. His Spiritual Sense also locked onto your every movement, leaving you afraid to act rashly.]
["It is no secret that I came from the Central Plains.
The former Great Khan could not bear children, so he took in many foster sons, raised us, and made us compete and slaughter one another to select the finest heir.
None of that is a secret!
Anyone with the mind to investigate could easily uncover my origins.
Did you think that merely knowing my background would let you impersonate my relative and escape my grasp?"]
[The soldiers watching from all around nodded repeatedly.]
["The Great Khan speaks wisely!"]
["Kill this spy!"]
["Tear him apart with five horses!"]
[The Northern Territory's people were fierce by nature.]
[If you could not prove that you were telling the truth, you would truly meet your end here today.]
[But at this moment, you were brimming with confidence.]
["Some things can be investigated, but there are plenty of things only family members would know, Big Brother!"]
[Each cry of "Big Brother" carried no technique at all—only raw feeling.]
[The Great Khan pondered for a moment.]
["My fourth brother had a distinctive double-hole birthmark on his left buttock. If you have one too, I will believe you."]
[You