Aresnic, was consisted of 5 members. Bts, was considered of 7 members. The two groups have been established since 2010. 

Now, its 2023.

The children had took over their parents' position.
But, one mission caused these childhood friends to seperate.

The remaining people of the government set out a search for these children since they were so important.

The children themselves didn't know why themselves were important.

Only 4 children were found.

"Mr. Junho, we only have found 4."

"We can't handle all of this...for now, cancel the search."

"Yes Sir."

The other 8 are missing. Not bothered to be searched for.

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2036
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"I need you guys to do a mission for me."

  "Remember case B0612+JKS?"

"What about it."

"Let them 4 search for their team...they are teenagers already. But don't let them know what they're searching for. They'll probably won't remember their faces since it has been 13 years. But then, they'll surely remember their attitudes."

"You mean Jimin, Hoseok, Jinmi, and Hyunae? Sure...why not?"

SHORT NOTICE!!!PLEASE READ!!!

••THE CHARACTERS WILL BE EXPLAINED THROUGHOUT THE STORY••