"Who are you Gaksital? Are you the young master?" - Sehun.

Sehun son of the late Josean king who was 
assassinated by pro-japanese josean's. But luckly 
he escapes with his mother (the queen). They flew away 
near the Manchuria border. Suddenly, his mother died 
from the coldness. Leaving him like an orphan, but a 
carriage and it's few people stop as Sehun comes out 
to tell them to stop. He was crying because he needs 
help, but soon knew that she was dead. So, he travel with
them to go to Manchuria. 

"GAKSITAL!!! I will catch you bastard!" - Kai.

Born into nobility. Kai was intelligent,
strategic, and kind. But everything change
when the late Josean king was assassinated.
He ran away with his family and his dad's new colleagues'.
 

"I will avenge my father" - Suho

Kai's best hyung and older brother. He was
more wiser than Kai and knows who the 
real bad guys really are. He know that 
they were the ones who help his dad in 
order to protect the king. But they failed.
Yet he is now "retared", he still keep some secrets
from Kai.
 

"I will found out who gaksital is" - Sakamoto Takeru. (Luhan)

Kai's best friend when they meet a kendo
academy. Since he help Kai get to where he is now.
And son to Sakamoto Shigeru, who is the chief of
Kyeong Seong Police Station. His brother, Sakamoto
Tsubasa, is the super intendent. Takeru is only a school 
teacher for now.
 

"Kim Jongin, I still remember you" - Kyungsoo.

Kyungsoo or famous "Japanese" singer, D.O was once
a servent. He is now the adopted son of buiness
President Katou. Yet he can sometimes a be bit
manipulative.